英语词汇placement drill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	placement drill
释义	Definition of placement drill in English: placement drill noun Combine drill. Origin 1950s. Definition of placement drill in US English: placement drill noun Combine drill. Origin 1950s.
随便看	appalled appalling appalling appallingly appallings appalls appalment Appaloosa appals appam appanage appanages apparat apparatchik apparatchiki apparatchiks apparats apparatus apparatus critici apparatus criticus apparatuses apparel appareled appareling apparelled

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Definition of placement drill in English: