英语词汇knock up怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	knock up
释义	knock up PRACTISE v adv [I] (in games of tennis) to practise before beginning a game, by hitting the ball to each other （网球等运动中）赛前练习 The players have a couple of minutes to knock up before the match starts. 开赛前运动员有几分钟练球。
随便看	swell swell swell swell swell swelling swelter sweltering swept swept-back swerve swerve swift swift swiftly swiftness swig swig swill swill swill swill swim swim swim

英汉双解词典包含44095条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。