单词：diffusion membrane
单词：diffusion membrane 相关文章
Where would we be without muscles? Probably a mess on the floor. Muscles are pretty interesting things. Everybody has lots of them. Some people look after them better than others. Bodybuilders want to have really big muscles. The bigger the better. T
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今天我们要学的词组是flex one's muscles。 Flex是伸屈的意思， muscle是肌肉，flex one's muscles是一个习惯用语。意思是显示力量，展示能力。 美国加州州长施瓦辛格宣布了一项环保计划， 要求把加州
英语每日一词
The other day, when I stopped to get some free firewood, I realized that I'm not as strong as I would like to be. The owner of the tree that was chopped down, had left huge chunks of wood to be taken away. But, when I say that they were huge, I mean
英语博客 A cup of English
Where would we be without muscles? Probably a mess on the floor. Muscles are pretty interesting things. Everybody has lots of them. Some people look after them better than others. Bodybuilders want to have really big muscles. The bigger the better. T
纯正英语一分钟
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BEIJING, Jan. 25 (Xinhua) -- The central parity rate of yuan, the Chinese currency, Tuesday gained 2 points to 6.5881 against the U.S. dollar, according to the China Foreign Exchange Trading（外汇交易） System. China's central bank announced in
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