单词：enzyme multiplied immunoassay
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Hi, everybody. One of the most urgent challenges of our time is climate change. 大家好。当代最紧迫的一项挑战就是气候变化。 We know that 2015 surpassed 2014 as the warmest year on record - and 2016 is on pace to be even hotter. 我们
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This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Germanys Harald zur Hausen and Frances Luc Montagnier and Francoise Barre-Sinoussi share the 2008 Nobel Prize in Physiology or Medicine, awarded October 6th. Barre-Sin
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She Got Me是Chuka M唱的一首歌，如果你觉得好听就把它推荐给你的好友。本站提供歌曲在线试听，同时我们也在页面播放器下方提供MP3下载的连接地址，希望能下载高音质的MP3歌曲， Maximal rb -
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Todd: So, we're here... first of all, how about everybody introduce themselves. Fred: OK. I'm Fred from Canada and it's a pleasure to be here. Katia: Hello. I am Katerina. I'm from Mexico and I'm also very glad to be here. Todd: Thanks guys. And then
原版英语对话1000个
一、加：用 and, plus等词表示 二、减：用 minus, taken from、等表示. 三、乘：用 multiply...by...,multiplied by、time 等表示. 四、除：用 divide...by..., divided by等表示. 等于的表示： is, equals, equals to, leave
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英语听力的拦路虎其中有一最大障碍，就是亿、十亿这样的大数字，还有分数等等，集中功课英语中数字的读法。 Dates 日期 In English, we can say dates either with the day before the month, or the month before
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