关于戒烟的3人英语对话3到4分钟的

Many of the poisons in the cigarette smoke are absorbed into the bloodstream.When a pregnant woman smokes,these chemical pass from the mother into the baby's blood. The baby of woman smoker may be born underweight,premature or dead.
Babies of mothers who smoke are more likely to die in the first year of life.If they survive,they have a greater risk of lung infections as well as poor physical and mental development.
Studies show that even when a pregnant woman doesn't smoke,the smoke that she breathes in from her husband's cigarettes need to give up smoking early in pregnancy if they want to reduce the risk of their baby being affected.