·2,447,543篇论文数据，部分数据来源于NoteExpress
According to statistics, pregnant women passive smoking of infant birth defects rate significantly increased.
据统计，孕妇被动吸烟的婴儿致畸率明显增高。
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Statistics show one million babies are born with defects annually in China.
统计表明，中国每年有一百万婴儿具有天生缺陷。
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