un. 同位素指示剂原子
[网络] 示踪同位素原子

考研英语词汇 list16

[00:04.10]inhabit inhabitant [00:06.48]vt.居住于,(动物)栖息于 n.居民,住户 [00:08.86]inherent inherit [00:11.13]a.天生的,固有的,内在的 vt.继承 [00:13.40]initial initiate [00:15.97]a.开头的,最初的;词首的n.词首大写字母

发表于:2018-11-30 / 阅读(145) / 评论(0)

考研英语词汇2005

SSS 2009-06-08

This is Scientific American's 60-second Science, I'm Steve Mirsky. Got a minute? Back on January 15th, US Airways Flight 1549 made that amazing water landing in the Hudson after both engines were taken out by Canada geese, which can weigh eight pound

发表于:2019-01-08 / 阅读(63) / 评论(0)

Scientific American(六)月

万物简史第487期:多灾多难的生命进程(7)

And how, you may reasonably wonder, can scientists know what oxygen levels were like hundreds of millions of years ago? 你也许有理由想知道，科学家们怎么会知道几亿年以前的氧气浓度？ The answer lies in a slightly obscure b

发表于:2019-01-17 / 阅读(70) / 评论(0)

万物简史

60秒科学:Hudson Plane:Out-of-Town Geese Did It

Back on January 15th, US Airways Flight 1549 made that amazing water landing in the Hudson after both engines were taken out by Canada geese, which can weigh eight pounds each. Now scientists have used forensic techniques to clear local geesethe per

发表于:2019-01-30 / 阅读(89) / 评论(0)

60秒科学

万物简史第198期:威力巨大的原子(12)

Let us pause for a moment and consider the structure of the atom as we know it now. Every atom is made from three kinds of elementary particles: protons, which have a positive electrical charge; electrons, which have a negative electrical charge; and

发表于:2019-02-25 / 阅读(63) / 评论(0)

万物简史

生活大爆炸第四季第十集_1

生活大爆炸第四季第十集_1 剧情简介： The Big Bang Theory是一部以科学天才为背景的情景喜剧.四位科学天才分别是:可爱善解人意的Leonard,高智商零情商的Sheldon,会六国语言的 Howard Wolowitz,以及患有

发表于:2019-03-16 / 阅读(178) / 评论(0)

生活大爆炸第四季

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

___ to a fault

a-students

accrued account

admissibility of trade mark

Atwater-Benedict calorimeter

autoreferentially

beehive house