Forcing Electrons into Superconducting Line In a study in the journal Nature researchers created a pseudo gap, in which electrons in superconducting materials line up just before flowing resistance-free. Sonya Buyting reports Imagine a world with lev

发表于:2019-01-02 / 阅读(150) / 评论(0) 分类 60秒科学

Welcome to Words and Their Stories, from VOA Learning English. On this program we explore the origin and history of American expressions and teach you how to use them. Today we focus more on history than usage. We are going to answer an age-old quest

发表于:2019-01-02 / 阅读(70) / 评论(0) 分类 2017年VOA慢速英语(七)月

d-Pinoresinoldi-O-b-glucopyranoside 松脂酚双吡喃葡萄糖甙 d-Pinoresinol d-松脂素 Piperitone 胡椒酮 Plantaginin 车前甙 Platycodin A, C, D 桔梗皂甙A,C,D Podophyllotoxin 鬼臼毒

发表于:2019-01-03 / 阅读(87) / 评论(0) 分类 医务英语

假的,都是假的,真的我一定不会是这样的成绩的。 fake adj. 假的;冒充的 n. 仿造品;冒充者;骗子 v. 伪造;捏造;冒充;假装;欺骗 Im sure that I take a fake examination. 我确定我考了一个假试。 sham adj. 虚

发表于:2019-01-03 / 阅读(90) / 评论(0) 分类 英文语法词汇

好莱坞演员西恩宾(Sean Bin)回顾了滑铁卢这一历史上最具决定性之战役的故事。在影片中,他将引述那些当时参战的普通士兵的实际经历来讲述发生在1815年6月18日这一天的极具戏剧性的事件

发表于:2019-01-23 / 阅读(42) / 评论(0) 分类 探索与发现2015年

Topic 1-Scarce Students in Rural Schools There is a primary school that only has one student in Wuzhai County of Shanxi Province. It is not a school for the super rich, but rather a rural school in remote areas. In fact, we are seeing more schools li

发表于:2019-02-22 / 阅读(119) / 评论(0) 分类 英语角-圆桌会议