奶牛

奶牛	nǎi niú	milk cow / dairy cow
奶	nǎi	breast / milk / to breastfeed
奶	nǎi	variant of 奶
奶	nǎi	mother / variant of 奶
牛	Niú	surname Niu
牛	niú	ox / cow / bull / CL:条,头 / newton (abbr. for 牛顿) / (slang) awesome