胎

连体双胞胎

lián tǐ shuāng bāo tāi

conjoined twins

双胞胎

shuāng bāo tāi

twin

鬼胎

guǐ tāi

sinister design

龙凤胎

lóng fèng tāi

twins of mixed sex

一胎制

yī tāi zhì

the one-child policy

一胎化

yī tāi huà

practice of allowing only one child per family

三胞胎

sān bāo tāi

triplets

二胎

èr tāi

second pregnancy

保胎

bǎo tāi

to take measures to prevent miscarriage

备胎

bèi tāi

spare tire

内胎

nèi tāi

inner tube (of a tire)

受胎

shòu tāi

to become pregnant