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	beneficence beneficent beneficial beneficiary benefit benefit of clergy benefit of the doubt benefit society Benelux Benes Benet benet rachitis Rachmaninoff Rachmanism racial racialism racialist Raciborz racily racinage Racine Racine raciness racing

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