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。

youdao

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。

youdao