例句 /

After years of controversy over the issue, most researchers now believe that, although caffeine does cross the placenta, moderate amounts (less than 300 milligrams a day) won't harm your baby.

After years of controversy over the issue, most researchers now believe that, although caffeine does cross the placenta, moderate amounts (less than 300 milligrams a day) won't harm your baby.

经过几年的争论后,现在多数研究人员认为:虽然咖啡因可以透过胎盘,但是适量的咖啡因(每天的摄入不超过300毫克)不会给胎儿带来伤害。