音标发音英式音标 [jæk]美式音标 [jæk]英式发音 美式发音 基本解释n.(=yackety-yak)废话；哄堂大笑同根派生 英汉例句Joy kept yacking (on) about the wedding.乔伊唠唠叨叨地聊著婚礼的事。英英字典剑桥英英字典 to talk continuously, especially informally about things that are not very important