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发表于:2018-12-01 / 阅读(231) / 评论(0)

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发表于:2018-12-03 / 阅读(122) / 评论(0)

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发表于:2018-12-26 / 阅读(81) / 评论(0)

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发表于:2018-12-31 / 阅读(84) / 评论(0)

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发表于:2018-12-31 / 阅读(93) / 评论(0)

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发表于:2019-01-01 / 阅读(74) / 评论(0)

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Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

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1、Hey, don't try to rip me off. I know what this is worth. 别想宰我，我识货。 2、Can you give me a little deal on this? 这能卖得便宜一点吗? 3、Can you give me this for cheaper? 能便宜一点给我吗? 4、Is there any discount

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1、Hey, dont try to rip me off. I know what this is worth. 别想宰我，我识货。注解：买东西是被宰，所以不管是不是行家都要先造出声势，用这句话镇住卖家。Rip someone off意为某商店或商贩企图宰它的顾

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1. Hey, don't try to rip me off. I know what this is worth. 别想宰我，我识货。买东西最担心被宰，所以不管是不是被宰了，行家都要先造出声势，用这句话镇住卖家。 Rip someone off 意为某商店或商贩企图

发表于:2019-02-19 / 阅读(76) / 评论(0)

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Air is deceptive stuff. Even at sea level, we tend to think of the air as being ethereal and all but weightless. In fact, it has plenty of bulk, and that bulk often exerts itself. As a marine scientist named Wyville Thomson wrote more than a century

发表于:2019-02-25 / 阅读(73) / 评论(0)

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