机械类词汇大全-42

1723 、质量 mass 1724 、质感；质地；肌理 texture 1725 、趟门 slidingdoor 1726 、踏靴 holddownfoot 1727 、轮廓线；外形线 outline 1728 、遮光物 shade 1729 、锌 zin

发表于:2018-12-08 / 阅读(62) / 评论(0)

英文名句短语

国家地理-2008-07-12 Lie Detector 测谎仪的奥秘

It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'

发表于:2018-12-30 / 阅读(130) / 评论(0)

国家地理2008年

China builds first tower-type solar-thermal power station

China builds first tower-type solar-thermal power station BEIJING, Nov. 12 (Xinhua) -- The first tower-type solar-thermal power station in Asia has been built in northwest Beijing, chief of the program said on Monday. Wang Zhifeng, a researcher at th

发表于:2019-01-07 / 阅读(74) / 评论(0)

英语新闻

SSS 2011-10-07

PCRthe polymerase chain reactionis a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heat

发表于:2019-01-08 / 阅读(49) / 评论(0)

Scientific American(十)月

新西兰英语 79 New Geothermal Power Station

Today a new geo-thermal power station was opened in Kawerau, in the eastern Bay of Plenty. Geo means earth and therm means heat. The power station uses hot steam from the earth. Like the geo-thermal power station at Wairakei, which opened in the 1950

发表于:2019-01-27 / 阅读(71) / 评论(0)

新西兰英语

【英语时差8,16】利用太阳能-下

PV solar technology is more complex. When sunlight hits a PV cell, electrons in the cell are knocked out of their orbits. Electric fields channel the electrons in a current used to generate electricity。 Unlike thermal solar panels, PV technology is

发表于:2019-02-15 / 阅读(27) / 评论(0)

英语时差8，16

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学英语单词

abc.-- classification system

accelerato

adorated

aldose

amino acid acceptor stem