[化] 加酶洗涤剂

[00:00.00]Unit 15 My share of the chores [00:05.69]1.Listen and practice in pairs. [00:11.65]Mrs.Davis is telling Li Meng and xiaohong about the small chores she expects them to do. [00:19.30]Mrs.Davis,is there anything you want us to do around the

发表于:2018-12-04 / 阅读(51) / 评论(0) 分类 澳大利亚中学英语

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

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 Scientific American(十)月

1 whoa \wō, hō, hwō\ whoa是西部牛仔经常说的话吗?没错,Cowboys say whoa when they want their horses to slow down. 当牛仔说whoa后,他们的马就会慢下来。所以whoa的第一个意思就是:a command to stop 嘿,慢点。

发表于:2019-01-09 / 阅读(35) / 评论(0) 分类 英文语法词汇

So I promised a closer look at baking soda. It seems to be a huge resource for a lot of things. And you dont get much cheaper than $1 for a powerful cleaning agent. So here is my list of the top uses for baking soda. Some will seem familiar as we hav

发表于:2019-02-04 / 阅读(65) / 评论(0) 分类 阅读空间

A Chinese laundry detergent commercial has spurred outrage online, with many social media users accusing it of blatant racism. In a commercial for Chinas Qiaobi laundry detergent, a Chinese woman shoves the product into a black workers mouth in the m

发表于:2019-02-05 / 阅读(66) / 评论(0) 分类 cctv9英语新闻2016年

An international group of scientists has engineered an enzyme which they say will be able to eat some of the most common plastic. It's being touted as a possible way to fight pollution. Improvements aimed at making the enzyme work more effectively ar

发表于:2019-02-22 / 阅读(74) / 评论(0) 分类 2018CRI中国国际广播电台