鸣叫小鸟叫声,自录音再现装置发出之高音
tweet n : a week chirping sound as of a small bird v 1: make a weak, chirping sound; "the small bird was tweeting in the tree" [syn: {twirp}] 2: squeeze tightly between the fingers; "He pinched her behind"; "She squeezed the bottle" [syn: {pinch}, {squeeze}, {twinge}, {nip}, {twitch}]