单词：optical spectrograph
单词：optical spectrograph 相关文章
016C 社会文化: 高级课程 Professor: Today we're learning some words for talking about affirmative action programs in the US. Winnie, if a college or business has an affirmative action program, that means it gives preference to minority student
美语三级跳
今天我们要学的词是 gripe. Gripe 的意思是抱怨，特别是对一些微不足道的事情。 Former President Barack Obama griped about the media and Fox News on Friday, returning to old complaints he had expressed as president. 美国前总
英语单词荟萃
I dare you to raise your voice and gather a crowd.(Instead your'll pay...)It's very easy to do. I wanna talk about something that may seem trivial but it's actually very important. We're gonna talk ab
雾都漫步
BEIJING, Jan. 26 (Xinhua) -- China on Saturday conducted a successful test flight of its first domestically made jumbo airfreighter. The Yun-20, or Transport-20, is a huge, multi-function airfreighter which can perform various long-distance air trans
英语新闻
春晚岳云鹏和孙越组合的相声我忍不了红遍大江南北，今天小编也凑凑热闹，借《我忍不了》金句集锦来跟大家探讨歪国人吐槽神器： No.1 Bitch about 说坏话；发牢骚；抱怨 e.g.1 Stop bitching abou
英语口语