vt.发球得分（ace的过去式与过去分词形式）； 双语释义：n.(名词)[C]A纸牌 a playing card with a large single symbol on it, which has either the highest or the lowest value in a particular card game[C]〈非正〉擅长…的人 a person who is very good at doing sth[C]发球得分 that is so good that your oppo