英语词汇“placement drill”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

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.
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Definition of placement drill in English: