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关注：1
2013-05-23 12:21
求翻译：在上世纪七十年代，人们发现苏丹红I具有致癌作用。最近还证明了它是一种致癌物质。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
在上世纪七十年代，人们发现苏丹红I具有致癌作用。最近还证明了它是一种致癌物质。
问题补充： |
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2013-05-23 12:21:38
In the seventies of last century, it was found that the Sudan Red I have a carcinogenic effect. Recently demonstrated that it is a carcinogen.
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2013-05-23 12:23:18
In the late 70s, it was found that the Sudan Red I has cancer. Recently it has also proven that it is a carcinogen.
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2013-05-23 12:24:58
In on century 70's, the people discovered the sudan red I has the carcinogenesis.Recently had also proven it is one kind of carcinogen.
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2013-05-23 12:26:38
In the last century 70 's, Sudan I was found to have cancer-causing effects. Recently proved that it is a carcinogen.
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2013-05-23 12:28:18
正在翻译，请等待...
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