无规电阻网络

TED演讲:一项关于电动车的大胆计划(2)

So we're bound with the laws of physics and the laws of economics. 所以我们需要遵循物理原理以及经济原理。 And so the thought that I started with was how do you do this, still within the boundary of the science we know today 于是我

发表于:2019-01-03 / 阅读(28) / 评论(0)

TED演讲科技篇

SSS 2008-08-08

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Ever been woken up by the sound of the refrigerator compressor kicking on? Well, such clumsy heat exchange units featuring long metal coils may be on their way out. Becaus

发表于:2019-01-08 / 阅读(66) / 评论(0)

Scientific American(八)月

SSS 2008-03-19

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Ants are known for working together, operating as a unit for the good of the colony. But not so fast, say researchers from the Universities of Leeds an

发表于:2019-01-08 / 阅读(65) / 评论(0)

Scientific American(三)月

每日一词【891】random：随机、任意的

今天我们要学的词是random。 Random, 是随机、任意的意思。The firefighters have to undergo a random drug test once a year, 消防队员每年要接受一次是否服用毒品的抽查。The boxer refused to submit random blood tests

发表于:2019-02-03 / 阅读(49) / 评论(0)

英语每日一词

Style Network host Giuliana Rancic has breast cancer

BEIJING, Oct. 18 (Xinhuanet) -- Giuliana Rancic, 37-year-old E! News and Style Network host, revealed Monday that she has breast cancer after doctors discovered a tumor during her latest round of in-vitro fertilization. Rancic had planned to wait unt

发表于:2019-02-17 / 阅读(84) / 评论(0)

英语新闻

Imported drugs to go on China's electronic monitoring network

Imported drugs to go on China's electronic monitoring network BEIJING, Oct. 8 (Xinhua) -- China's food and drug safety watchdog plans to put imported drugs on the national electronic monitoring network in a move to step up drug management. Overseas p

发表于:2019-02-18 / 阅读(79) / 评论(0)

英语新闻

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学英语单词

Arteria rectalis superior

banking indicator

broadside linear array