从出生到一岁的孩子心理学上称为乳儿期.From birth to age child psychology is called Suckling period.只有乳儿入睡的时候,她才能撰著.She can write only when the baby is asleep.照料乳儿需要极大的耐心.Take care of suckling require a great deal of patience....

“乳儿”的英语可以翻译为：nursing infant，suckling，sucker ...

“乳儿”的拼音为：rǔ ér...