irth:[ bə:θ ]
n.出身,血统,出生,诞生,出现,起源
例句与用法:
1.She gave birth to a fine healthy baby.
她生了一个健康漂亮的婴儿.
2.Last year there were many more births than deaths.
去年的出生人数大于死亡人数.
3.He is French by birth.
他的父母是法国人.
4.The baby weighed seven pounds at birth.
那婴儿出生时重七磅.
5.The father was present at the (moment of) birth.
婴儿出生时其父亲在场.
6.There were three births at the hospital yesterday.
昨天这所医院里有三个婴儿出生.
7.She gave birth (to a healthy baby) last night.
她昨天晚上生了（一个健康的婴儿）.
8.He is a man of noble birth.
他出身贵族.
名词birth:
1.the time when something begins (especially life)
2.the event of being born
同义词：nativity,nascency,nascence
3.the process of giving birth
同义词：parturition,giving birth,birthing
4.the kinship relation of an offspring to the parents
同义词：parentage
动词birth:
1.cause to be born
同义词：give birth,deliver,bear,have
