伏流袭夺作用

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Understanding all the genes and molecules involved in human disease is quite a challenge. Thats why scientists study model organisms, like flies and worm

发表于:2018-12-24 / 阅读(55) / 评论(0) 分类 Scientific American(三)月

SCOTT SIMON, HOST: This week we asked listeners and social media followers to tell us about unusual things that may scare them. Not international terrorism or certifiable phobias, but real fears we carry around that some people may not understand. Ma

发表于:2019-01-24 / 阅读(45) / 评论(0) 分类 英语语言学习

SAN FRANCISCO, April 19 (Xinhua) -- YouTube announced Tuesday that the much-anticipated British royal(王室) wedding of Catherine Middleton and Prince William will be live streamed on the website' s live channel. Next Friday, the live stream will fo

发表于:2019-02-03 / 阅读(79) / 评论(0) 分类 英语新闻

Maritime specialists say a surge in pirate attacks on ships between Somalia and Yemen is affecting global commerce and they are urging the international community to quickly find a solution to the crisis. As VOA Correspondent Alisha Ryu reports from

发表于:2019-02-03 / 阅读(47) / 评论(0) 分类 VOA标准英语2008年(九月)

法国巴黎最大的公共住房项目近日宣布将利用地铁中乘客身体释放出来的热量为市中心的一个公共住房项目供暖。据悉,该项目是基于地热技术研发的,地铁和供暖建筑物通过一个楼梯连接。

发表于:2019-02-07 / 阅读(31) / 评论(0) 分类 阅读空间

I have it, I have it, cried Stubb, with delight, striking something in the subterranean regions, a purse! a purse! 我搞到了我搞到了斯塔布喜形于色地说道,同时在那底里戳一样东西,一只荷包,一只荷包! Dropping hi

发表于:2019-02-25 / 阅读(78) / 评论(0) 分类 白鲸记