基本解释n.颏；下巴v.聊天；作引体向上词源解说 直接源自古英语的cin，意为颌，颚骨。同根派生 英汉例句用作名词 (n.)His chin was completely covered by his beard.他的下巴长满胡子。词组短语用作名词 (n.)动词+～cup 〔rest〕 one's chin in one's hands 用双手托着下巴keep one 's chin up (在逆境中)不屈不挠形容词+～double chin 双下巴短语