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He did a good job in preparing the initial studies to show that it was safe.
他在最初的实验中,做了很好的工作,以证明疫苗是安全的
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- 来自原声例句
He did a good job in preparing the initial studies to show that it was safe.
他在最初的实验中,做了很好的工作,以证明疫苗是安全的
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