[化] 阴离子交换树脂

听电影学英语-别惹蚂蚁 03

[00:04.24]Mommo, here's your-- What are you doing? 奶奶给你你在做什么? [00:06.08]Preventing alien abduction, that's what l'm doing. 我在准备应对被外星人拐骗 [00:11.16]Thank you. 谢谢 [00:16.56]Dang crabgrass. 该死的草 [00

发表于:2018-12-07 / 阅读(110) / 评论(0)

听电影学英语-别惹蚂蚁

VOA慢速英语 200707030041

This is the VOA Special English Agriculture Report. An American expert in food science technology has won a major international award. Philip E. Nelson has been named winner of the Two Thousand Seven World Food Prize. World Food Prize Foundation Pres

发表于:2019-01-11 / 阅读(74) / 评论(0)

VOA慢速英语2007年（七）月

新买的衣服穿之前要洗吗？

That dress looks perfect right off the rack, and that crisp button-down shirt is never going to be any brighter or whiter than the moment you buy it. So is it really necessary to go to all of the trouble of washing those brand-new garments before you

发表于:2019-01-20 / 阅读(66) / 评论(0)

阅读空间

Tree climbing: Part 1

Tree climbing: Part 1 NB: This is not an accurate word-for-word transcript Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today Im joined by Kate. Now in todays programme and in next weeks programme were talking about

发表于:2019-02-05 / 阅读(85) / 评论(0)

六分钟英语

英文佳作欣赏：Childhood and Poetry

Childhood and Poetry One time, investigating in the backyard of our house in Temuco the tiny objects and minuscule beings of my world, I came upon a hole in one of the boards of the fence. I looked through the hole and saw a landscape like that behin

发表于:2019-02-08 / 阅读(36) / 评论(0)

英语作文

英国发明牙齿治疗新技术

LONDON, June 16 (Xinhua) -- Drillings and fillings at the dentist's are always dreadful and make tooth decay treatment very unpleasant. But British scientists have developed a new approach of fixing tooth decay, which could get rid of all the drillin

发表于:2019-02-18 / 阅读(55) / 评论(0)

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amplitude-modulated (am)

Bernoulli distribution density