gestation
n. 酝酿;怀孕;妊娠期
例句
The gestation period of a horse is about eleven months.
马的怀孕期大约为十一个月。
《牛津词典》
The gestation period can be anything between 95 and 150 days.
妊娠期从95天至150天不等。
《柯林斯英汉双解大词典》
Extraembryonic mesoderm migrates through primitive streak to the presumptive yolk sac between days 6.5 and 7.0 of gestation.
胚外中胚层在妊娠的第6.5至7.0天之间通过原始条带迁移到推测的卵黄囊。