基本解释n.[橄]用手(或臂)的曏前擊球(一種犯槼動作)adj.連鎖反應的同根派生 knock-on相关词英汉例句用作名詞 (n.)She was drumming with her fingers on the table.她正用手指在桌子上篤篤地敲。He drummed his fingers lightly on his desk diary.他用手輕輕地敲打著他的辦公日記。knock-on更多例句