基本解释vi.唠唠叨叨地说；n同根派生 英汉例句He had fish breath... yack... 他呼吸都是鱼味...It's just that when I think of you, it makes me wanna yack -aa-aa-aa-aa-aa-aa-ag 只是我一想起你,就让我大笑不已yackn. (=yackety-yak)废话;哄堂大笑