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) 分类 TED演讲教育篇

[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) 分类 北师大版初中英语九年级(全一册)

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) 分类 2006年慢速英语(十一)月

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) 分类 2016年NPR美国国家公共电台8月

Contents Under Pressure OPHIRA EISENBERG, HOST: Let's meet our next two contestants. First up, Ross Freilich. You work in mergers and acquisitions, and you just got back from a trip to an island north of the Arctic Circle. ROSS FREILICH: That's corre

发表于:2019-02-13 / 阅读(66) / 评论(0) 分类 2016年NPR美国国家公共电台8月

The warrior stared back at Jack and Annie. We were helping one of your honey guides, saidAnnie. The warrior was as still as a statue.' We didn't mean to steal anything, Jack said. Infact, it's all yours. We've had enough.Lots of good honey still ther

发表于:2019-02-17 / 阅读(33) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》