Cause foetal deformities in the causes, environmental factors account for the proportion of the increasingly heavy.

在造成胎儿畸形的原因中，环境因素占的比重越来越重。

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Cause foetal deformities in the causes, environmental factors account for the proportion of the increasingly heavy.

在造成胎儿畸形的原因中，环境因素占的比重越来越重。

youdao