英语词汇preparatory exercise是什么意思，preparatory exercise的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	preparatory exercise
释义	DEFINITIVE EXAMPLES 权威例句I did preparatory exercises before the race. 我在赛跑前做了准备运动。译典通
随便看	sclerotis sclerotitis sclerotium sclerotium sclerotization sclerotization sclerotize sclerotized sclerotized sclerotogenous layer sclerotoid sclerotoma sclerotomal cells sclerotomal sheath sclerotome sclerotome sclerotomy sclerotonyxis sclerotrichia sclerotule sclerous sclerous tissues scleroxanthine sclerozone sclerynchyme

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