n. 转子活塞发动机；[动力] 汪克尔发动机；回转式内燃引擎

SSS 2009-01-26

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. There's a huge, gunky brown cloud that lingers over south Asia and the Indian Ocean each winter. Its been known to cause respiratory diseases and even

发表于:2018-12-24 / 阅读(59) / 评论(0)

Scientific American(一)月

VOA标准英语2010年-Rolls-Royce to Replace Engines of Supe

The Associated Press reports Monday that Rolls-Royce will temporarily replace entire engines on A380 Superjumbo jets, after an oil leak in an engine earlier this month caused a fire in the engine and a catastrophic failure. British jet-engine maker R

发表于:2019-01-14 / 阅读(41) / 评论(0)

VOA标准英语2010年(十一)月

英国皇家海军最先进驱逐舰怕热

The engines powering the Royal Navys cutting-edge fleet of Type 45 destroyers are unable to operate continuously in the warm waters of the Gulf, MPs were told on Tuesday. 周二，英国国会议员们被告知，英国皇家海军(Royal Navy)最先进

发表于:2019-02-08 / 阅读(62) / 评论(0)

英语新闻

史蒂芬·霍金开通微博

第一条微博如下： Greetings to my friends in China! It has been too long! I last visited China in 2006 when I took part in a physics conference in Beijing. It was an extraordinary experience. My first trip was in 1985 when I travelled across y

发表于:2019-02-09 / 阅读(98) / 评论(0)

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WHO: Diesel Exhaust Causes Cancer

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(57) / 评论(0)

英语新闻

经济学人:民用航空发动机奋力一战

Business 商业报道 Civilian jet engines 民用航空发动机 Gearing up for a fight 奋力一战 Pratt amp; Whitney hopes a high-tech engine will restore its former dominance. 普拉特惠特尼公司期待其新款的高科技航空发动机能重

发表于:2019-03-09 / 阅读(158) / 评论(0)

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adato

add file

aelotropic (anisotropic)

bending someone's ear

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