单词：phosphate-containing detergent
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[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
澳大利亚中学英语
pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
医务英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
Scientific American(四)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。
英文语法词汇
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
cctv9英语新闻2016年