光强度调节器

Titian The Renaissance artists in 16th century Florence, the shift in creative power moved to Venice and into the hands of a supreme master of color, light and sensuality who pioneered new techniques

发表于:2018-11-28 / 阅读(117) / 评论(0) 分类 疯狂英语2004年

本讲为 2006 年下半年新的教学内容,请对照教材,练习册和语法书听录音! 1. They also load and unload hot, heavy metal forms used in machines casting automobile and truck fr

发表于:2018-12-30 / 阅读(68) / 评论(0) 分类 自考英语(二)60讲

Once we were aboard that ship, if we couldn't ward off the blow that threatened it, at least we could do everything that circumstances permitted. 一旦到了那艘船上,就算我们不能事先向它通告那威胁着它的一击,至少我们可以

发表于:2018-12-31 / 阅读(23) / 评论(0) 分类 《海底两万里》中英双语有声读物

Light might make you a lightweightin a good way. Its been known that bright light in the morning can reduce appetite and body weight. But that fact did not prove that light has a direct effect on weight. Early morning exposure to light could just be

发表于:2019-01-02 / 阅读(49) / 评论(0) 分类 英伦广角

The deep ocean has other sources of light than astronomical bodies, though. 除了天体,深海还有其他光源。 Three-quarters of marine organisms off the coast of California produce their own, and that is probably true in most oceans, 加利福

发表于:2019-01-26 / 阅读(66) / 评论(0) 分类 经济学人科技系列

托福语法讲解:并列句

发表于:2019-02-04 / 阅读(26) / 评论(0) 分类 英文语法词汇