[医] 豇豆

TED演讲：气味背后的科学(7)

However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何，我最终得到了一些硼烷，这就是那个怪物。 And it really does have the same -- if you calculate, if you measure the vibrational frequencies,

发表于:2018-12-19 / 阅读(50) / 评论(0)

TED演讲教育篇

英语听力：2013-12-08 地平线：什么害死了我们的蜜蜂—8

-How does it work then? There are millions of insects out there in the air you sweeping. You target specific individuals.-That's right, so we have an individual honey bee which will be carrying this very small fine container on its back. And that's t

发表于:2018-12-27 / 阅读(42) / 评论(0)

探索与发现2013年

北师大初中英语九年级（全一册）--Unit 8-30-2

[00:00.00]Exercise 2.2 [00:10.82]Today, we will talk about choking. [00:13.67]In fact, choking is quite a common problem [00:17.08]in our daily life. [00:19.29]What's choking? [00:21.42]This is when someone has an object stuck in [00:24.98]his or her

发表于:2018-12-29 / 阅读(340) / 评论(0)

北师大版初中英语九年级（全一册）

英语听力：探索发现 2012-11-09 美洲大平原 American Serengeti—6

The site was once a spring-fed pond, full of water. Mammoths were tempted in to drink. But when they tried to climb back out, the banks were steep and slippery. Just like the short-faced bear imprisoned underground, some became trapped. Scavengers wo

发表于:2019-01-23 / 阅读(63) / 评论(0)

探索与发现2012年

VOA慢速英语20061114b

SCIENCE IN THE NEWS - Learning the Basics of First Aid: What to Do Until Medical Help ArrivesBy Nancy Steinbach Broadcast: Tuesday, November 14, 2006 VOICE ONE: This is SCIENCE IN THE NEWS in VOA Spec

发表于:2019-01-30 / 阅读(70) / 评论(0)

2006年慢速英语(十一)月

美国国家公共电台 NPR EZ Does It

EZ Does It OPHIRA EISENBERG, HOST: Now, it's time to crown our big winner. Let's bring back our final two contestants Jake and Ross. (APPLAUSE) EISENBERG: Puzzle guru Art Chung, take it away. ART CHUNG: Ross and Jake, your final round is called Easy

发表于:2019-02-13 / 阅读(75) / 评论(0)

2016年NPR美国国家公共电台8月

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学英语单词

asymmetric homojunction

avized

batch monitor

be in the clutches of

Belopolye

black foot

bohnke