bǔ yù
to feed
to nurture
to foster
bǔ rǔ
breast feeding
to suckle
to nurse
fǎn bǔ
to support one's parents in their old age
to show filial piety
to to repay
to return a favor
bǔ rǔ lèi
mammals
also written 哺乳動物|哺乳动物
bǔ rǔ gāng
Mammalia, the class of mammals
chuò shí tǔ bǔ
to stop eating and spit out