常見例句用作及物動(dòng)詞 (vt.)The surface gloss had begun to crack.表麪的光彩已經(jīng)開始衰退了。Many small businesses smashed up during the slump.許多小企業(yè)在經(jīng)濟(jì)衰退時(shí)破了産。 返回 crack up