基本解释n.钥匙链同根派生 key-holder相关词英汉例句用作名词 (n.)My favorite souvenir is my key chain from America.我最喜欢的纪念品是在美国买的钥匙链。My key chain has several nifty tools on it.我的钥匙链有些极小巧的工具在上面。key-holder更多例句