托福听力中的50个美式习惯用语汇总一览

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托福听力中的说话者多使用美式英语，因此一些只具备听力基础而缺乏地域性语言知识积累的同学常会遇到一时卡壳听不懂说了什么的情况。今天小编给大家带来了托福听力中的50个美式习惯用语汇总一览，希望能够帮助到大家，下面小编就和大家分享，来欣赏一下吧。

托福听力中的50个美式习惯用语汇总一览

托福听力50个美式习惯用语汇总

1. a big shot = an important person 大腕儿，大亨

2. a breath of fresh air 使人耳目一新的人

3. Achilles’ heel 致命弱点;个性的瑕疵

4. be all ears 洗耳恭听

5. be all eyes 目不转睛

6. a wet blanket 讨人嫌的人

7. chip in = contribute money　捐献，集资

8. sell like hot cakes = sell very well or very quickly 畅销

9. get butterflies in one’s stomach = get nervous 紧张不安

10. two thumbs up 举双手赞成

11. be the apple of one’s eye = be very precious to sb. 非常珍贵

12. pull one’ s leg = tease someone 开某人玩笑

13. break one’ s back 辛勤工作

14. twenty-four seven = 24 hours a day, 7 days a week = all the time 永远，一直

15. go for a song = be sold very cheaply 贱卖

16. bucket down = rain very heavily 瓢泼大雨

17. backroom boys 幕后英雄

18. below the mark = not measure up 不够水平，不合格

19. beyond compare 绝佳的，最棒的

20. break even 不赔不赚

21. by the book 照章办事

22. cast a cloud over 泼冷水，是蒙上阴影

23. castles in the sky / air 空中楼阁

24. as clear as a bell 非常清楚

25. clear the air 消除误会

26. come to terms 达成协议

27. shed crocodile tears 假装哭泣，假慈悲

28. cut corners 走捷径

29. do’s and don’ts 行为规范

30. face the music 面对现实

31. fair and square 正大光明的

32. first things first 先说重要的

33. forgive and forget 尽释前嫌;握手言和

34. get the ball rolling 使蓬勃发展

35. a knockout 引人注目

36. a man of few words 沉默寡言的人

37. a rainy day 不如意的日子

38. all thumbs 笨手笨脚的;一窍不通的

39. ants in one's pants (skirt) 坐立不安

40. as mod as sb. 与某人一样时髦

41. at one's finger's tips 了如指掌

42. at sixes and sevens 混乱的

43. backseat driver 指手划脚的人

44. bite one's head off 大发脾气

45. black sheep 不孝子女

46. blow one's top 怒发冲冠

47. break one's neck 痛打一顿;拼命做某事

48. break the ice 打破僵局;打破沉默

49. bring down the house 掌声雷动

50. burn a hole in one's pocket 花钱如流水

2020托福听力练习：运输货物的丝绸之路传播疾病

For thousands of years, what's called the Silk Road was a group of land and sea trade routes that connected the Far East with South Asia, Africa, the Middle East and southern Europe. Of course, when humans travel they carry their pathogens with them. So scientists and historians have wondered if the Silk Road was a transmission route not just for goods, but for infectious disease.

Now we have the first hard evidence of ancient Silk Road travelers spreading their infections. The find comes from a 2,000-year-old latrine that had first been excavated in 1992. The report is in the Journal of Archaeological Science.

"So the site is a relay station on the Silk Road in northwest China. It's just to the eastern end of the Tarim Basin, which is a large arid area just to the east of the Taklamakan desert, and not far from the Gobi Desert. So this is a dry part of China."

Piers Mitchell, paleopathologist at the University of Cambridge, and one of the study's authors, along with his student Ivy Yeh and colleagues in China.

In the latrine, archaeologists found used hygiene sticks wrapped with cloth. These were used for what you think they were used for.

"This excavation was great because the cloth was still preserved and the feces was still adherent to the cloth on some of the sticks. So the archaeologist kept these sticks in the museum. And so my Ph.D. student, Ivy Yeh, who's first author on the paper, she went out to China took some scrapings from the feces adherent to the cloth. So we were then able to analyze that down the microscope when she brought it back to Cambridge."

Where they found eggs from parasites—including one from a liver fluke.

"And that's the exciting one because that's only found in eastern and southern China and in Korea, where they have marshy areas that have the right snails and the right fish."

The fluke needs snails and fish for its lifecycle, but there were no such snails or fish in this dry region of China. So the unlucky traveler who harbored the parasite had to have transported the disease to that spot.

"Well firstly it tells us that people were doing very long journeys along the Silk Road and you might think that's obvious. But no one really knew how long people were traveling. Some people may have been trading, only going short distances selling their goods on to the next person. And so the goods might have gone all the way along the Silk Road, but people might not. But we know that some people were doing huge distances..."

"Secondly it shows that this was, would be a viable route for the spread of those other infectious diseases like Bubonic plague and leprosy and anthrax that people had previously suggested might have been spread between East Asia and Europe along the Silk Road. Because modern genetic analyses have shown similarities between the strains of one end and the other."

Mitchell says there's much more work to be done to better understand the spread of diseases around the world. Perhaps from analyzing skeletons—or various other kinds of remains—to be found along the Silk Road.

Thanks for the minute for Scientific American — 60-Second Science Science. I'm Cynthia Graber.

数千年来，海洋与陆地之间的贸易路线丝绸之路将远东、南亚、非洲、中东和南欧连接起来。当然，人类在旅行时也携带着病原体。科学家和历史学家怀疑，丝绸之路运输的不仅仅是货物，还有传染性疾病。

现在，我们掌握了第一个有力的证据，证明古代丝绸之路的游客传播了自身的疾病。这项结果源自1992年发掘的一个有2000年历史的茅厕。该项研究结果发表在《考古科学：报告》杂志上。

“这里是中国西北部丝绸之路上的一个中转站。位于塔里木盆地的东端，塔里木盆地这块广阔干旱的地区位于塔克拉玛干沙漠的东部，距离戈壁沙漠不远。这里是中国的一个干旱地带。”

皮尔斯·米切尔是剑桥大学的古生物病理学家，同时也是该报告的作者之一，他和他的学生艾薇·叶以及来自中国的同事们一同进行了该项研究。

考古学家在发掘的茅厕里发现了用过的卫生棍，这些卫生棍用布裹着。这些东西的用途和你认为的一样。

“这次发掘意义很大，因为这些布仍然保存完整，而且排泄物还附着在一些棍子裹着的布上。考古学家把这些卫生棍保存在博物馆。我的博士学生艾薇·叶，同时也是该论文的第一作者，去中国刮取了布上的一些排泄物。这样，我们就能够在显微镜下分析她带回剑桥的样本。”

他们发现了寄生虫的卵，还有肝吸虫的卵。

“这项发现让我们兴奋不已，因为这些只存在于中国东部和南部以及韩国，那里的沼泽地有含有这些病原体的蜗牛和鱼类。”

肝吸虫需要依靠蜗牛和鱼类进行生命循环，但是中国干旱地区没有这些病原体所需要的蜗牛和鱼类。所以，携带着寄生虫的倒霉游客将疾病带到了该地区。

“首先，这告诉我们，人们沿着丝绸之路长途跋涉，你可能认为这是显而易见的。但是没有人确切知道人们到底走了多远。有些人可能一直在进行贸易活动，他们只走了很短的距离，将自己的货物转卖给他人。所以，货物可能要一直沿着丝绸之路运输，但是人就不一定了。不过我们知道有些人的确走了很远的距离。”

“其次，这项发现表明，这可能也是黑死病、麻风病和炭疽等传染疾病的传播路线，此前人们认为这些疾病沿着丝绸之路在东亚和欧洲之间传播。因为，现代基因分析表明，菌株一端和另一端存在相似性。”

米切尔表示，为了更好的了解疾病在世界范围内的传播，还有更多的工作要做。也许可以分析在丝绸之路上发现的骨骼或是其他类型的遗留物。

重点讲解：

1. come from 来自;始于;

例句：The news comes from a reliable source.

这消息来自可靠的来源。

2. along with 与…一起;

例句：She came to dinner along with her boyfriend.

她和她的男朋友一道来用餐。

3. be adherent to 黏附;附着;

例句：The brass plate must be adherent to the steel.

黄铜片必须和钢粘结。

sell on 转卖;倒卖;

例句：Mr Farrier bought cars at auctions and sold them on.

法里尔先生拍得汽车后再将其转手。

2020托福听力练习：气味大师环尾狐猴

Ring-tailed lemurs are a chatty lot.

They vocalize to exchange information.

And they also communicate via a veritable smorgasbord of stinky secretions they use to mark their territory and advertise their romantic availability.

But male lemurs, which have more scent glands than do females, are really masters of musk—because they sometimes mix their smelly secretions to produce a veritable bouquet of stank.

And now researchers have a better idea why.

Male lemurs sometimes use the scent glands on their wrists to mark tree branches and saplings.

Other times, they double down, rubbing their wrists against glands on their chests to create a foul and funky fusion.

This special blend can then be smeared over objects or wiped onto their tails, which the males wave at their rivals in a display that scientists refer to as a “stink fight.”

But why create such a custom combination?

Perhaps adding the oily exudate from the chest alters the information conveyed by the wrist.

Or maybe it acts as a kind of preservative that makes the wrist signal longer lasting.

To find out, researchers gathered secretions from a dozen ring-tailed lemurs at the Duke Lemur Center in North Carolina.

They then presented male lemurs with wooden dowels that were doused with either the wrist fragrance, the chest scent, or a mixture of the two.

And they found that males spent more time sniffing the stick with the mixture, which suggests that the fragrant combination does contain more interesting information than the solo scents alone.

But the lemurs were even more interested in the odiferous amalgamation when it was left out to evaporate for 12 hours, licking the sticks to better access the dried volatile compounds.

That observation supports the theory that mixing secretions actually boosts their staying power.

The results are in the journal Royal Society Open Science.

So while a rose is a rose is a rose, the perfume of the ring-tailed lemur is a complex concoction, the subtle meaning of which lies in the nose of the beholder.

环尾狐猴真的很健谈。

它们发声的目的是交流信息。

而且它们也会通过名副其实散发恶臭分泌物的混合物进行交流，而它们一般将这些分泌物用作标记领地及向异性求爱。

但气味腺比雌性狐猴多的雄性狐猴才是真正的气味大师—它们有时候会将那些臭味分泌物混合然后弄出一些散发恶臭的混合气。

环尾狐猴或是气味大师.jpg

而现在研究人员们已经对环尾狐猴这样做的原因有了进一步的了解。

雄狐猴有时候会用手腕的腺体气味分泌物在树枝及嫩枝上做标记。

其余时间它们就一直躺着，摩擦自己手腕上的腺体分泌物到胸部并制造出一种散发强烈臭味的混合物。

这种特殊混合物随后就被涂在一些物体或者附着在它们的尾巴上，而雄性狐猴向它们的情敌宣战摆动尾巴时就会起到交流作用，而科学家们将此称为“臭气的较量”。

但为什么要特别弄出这种臭味的混合物呢?

研究人员分析了环尾狐猴的气味变化.jpg

或许加入从胸部分泌出的油状物可以改变手腕部臭气所代表的信息。