释义
n.
variant spelling of
同
n.
a milk-secreting organ of female mammals (in humans, the breast)
雌性哺乳动物的泌乳器官（人类： 乳房）。
a corresponding non-secretory structure in male mammals
（雄性哺乳动物的相对的非分泌型结构）乳腺。
词源
" Old English, from Latin, ‘breast’. "
