英语词汇“training aid”的读音、翻译、释义、用法及例句-初旭网

词汇	training aid
释义	training aid 辅助训练的工具或设备 Motion pictures, slides, and cards were used as ~s.电影、幻灯片和卡片被用作辅助训练的工具
随便看	dermic dermis dermographia dermoid dermoskeleton dernier dernier cri derogate derogation derogative derogatory Derrick derrick derriere derringdo derringer derris derry derust derv dervish Derwent Des desalinate desalinator

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