Archaeology, like many academic words, comes from Greek and means, more or less, the study of old things. So, it is really a part of the study of history. However, most historians use paper evidence, such as letters, documents, paintings and photogra

发表于:2018-12-03 / 阅读(55) / 评论(0) 分类 英语科技新闻

Archaeology is a source of history, not just a bumble auxiliary discipline. Archaeological data are historical documents in their own right, not mere illustrations to written texts, Just as much as any other historian, an archaeologist studies and tr

发表于:2018-12-07 / 阅读(183) / 评论(0) 分类 英语范文背诵20篇

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

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(92) / 评论(0) 分类 英文语法词汇

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(121) / 评论(0) 分类 英语角-圆桌会议