[with obj.]feed (a baby or young animal) from the breast or teat 给(婴儿,幼兽)喂奶 a mother pig suckling a huge litter. 一头给一大窝小猪喂奶的母猪。 ■[no obj.](of a baby or young animal) feed by sucking the breast or teat (婴儿,幼兽)吃奶 the infant's biological need to suckle. 婴儿吃奶的生理需要。
语源
late Middle English: probably a back-formation from suckling