英语词汇train on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	train on
释义	train on(或upon) 锻炼得有所改善 (用枪、望远镜等)对准，瞄准： He trained his gun on the enemy. 他把枪对准敌人
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英汉双解词典包含483723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。