birth

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【词性】：n．

【释义】：

❶ 分娩，出生，生产❷ 出身，血统，起源

after birth后天

birth and death process增消过程

birth canal产道

birth control节育

birth mark胎记，胎痣

birth palsy产伤麻痹

birth rate出生率

cross birth横产

dead birth死产

give birth to生；产生

head birth头位产

lack of proper care after birth后天失调

multiple birth多胎产

poor-nourishment after birth后天失养

post-term birth过期产

precocious birth早产

Deficiency of the kidney-yin occurs because of congenital deficiency，or poor-nourishment after birth．肾精不足证可由先天不足，后天失养引起。