剪力变形；剪切形变

CNN 2010-04-22

15 years ago today; 168 people killed, 19 of them children. You saw there one of the troopers who stepped up. We're looking at some images here now. The trooper who stepped up is a guy who actually placed McVeigh under arrest back then, who came up t

发表于:2018-12-20 / 阅读(63) / 评论(0)

CNN2010年(四)月

亿万富翁洛克菲勒之子驾机坠亡

The Rockefeller family, after celebrating the 99th birthday of its billionaire patriarch David, is now planning a funeral for his doctor son after a morning plane wreck. 图片1 Richard Rockefeller died at the controls of his private Piper Meridian P

发表于:2019-02-03 / 阅读(42) / 评论(0)

英语新闻

塞卡病毒比埃博拉危害更大

The Zika virus outbreak in Latin America could be a bigger threat to global health than the Ebola epidemic that killed more than 11,000 people in Africa. That's according to several public health experts who spoke with the Guardian and Examiner newsp

发表于:2019-02-08 / 阅读(60) / 评论(0)

英语新闻

AP 2011-03-15

1. This explosion at a nuclear plant in Japan is raising fears of radiation leaks though perhaps even a meltdown. The explosion shattered the walls of a building where a nuclear reactor is located. Residents have been evacuated. 2. There are fears th

发表于:2019-02-11 / 阅读(93) / 评论(0)

美联社新闻一分钟2011(三月)

托福阅读背景知识之头等舱最危险

头等舱的乘客要当心了!一项耗资巨大的特别飞行试验揭示，在坠机事故中生还机会最大的是坐在飞机尾部的乘客。 Beware first-class travellers! Passengers sitting in the rear of a plane have the best chance of s

发表于:2019-02-26 / 阅读(53) / 评论(0)

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学英语单词

ampere (amp.)

anaesthetic apparatus