单词：octanedione
[网络] 辛二酮；辛烷二酮
单词：octanedione 相关文章
What Do Octane Numbers Mean? At the gas pump, you have a choice of octane numbers. 87? 93? Whats the difference? To explain octane numbers, lets take an imaginative leap into the internal combustion engine of a car. Inside the cylinders are combustio
发表于:2018-12-31 / 阅读(145) / 评论(0)
英语听力文摘 English Digest
英语听力文摘 English Digest
A third Saturn moon may have a subsurface ocean with potential for life, researchers say. 研究人员日前表示，第三颗土星卫星可能存在表面深层海洋及潜在生命形式。 Using gravity data from the Cassini probe, researchers at
发表于:2019-02-02 / 阅读(126) / 评论(0)
英语新闻
英语新闻
WELLINGTON, March 23 (Xinhua) -- Fuel prices are at their highest level in nearly three years in New Zealand on Wednesday after the four main oil companies increased their prices by 3 cents. Shell, Caltex, BP and Mobil have raised the price of 91 oct
发表于:2019-02-02 / 阅读(139) / 评论(0)
英语新闻
英语新闻