When were they born
出生───birth;什么时候───when
She's just given birth to a baby girl.───她刚生了一个女孩。
A family doctor will be able to advise on suitable birth control.───家庭医生能够就合适的节育措施提出建议。
The father notified his son's birth.───父亲公告了他儿子的出生.
She's Italian by birth but is now an Australian citizen.───她生于意大利，但现在是澳大利亚公民。
Condoms are an effective method of birth control if used with care.───如果使用得当，避孕套是很有效的避孕手段。
She supports birth control.───她赞成计划生育.
I've been dieting ever since the birth of my fourth child.───我生完第四个孩子后就一直在节食。
She died in child birth.───她因生产而死.
He proceeded to tell me of my birth.
The father was present at the birth.
Please give your name, address and date of birth.
Congratulations on the birth of ur child.
Birth rates are notoriously difficult to predict.