英语词汇“light-pen”的翻译、意思、用法、释义-英汉双解词典-霍普软件下载网

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单词	light-pen
释义	light-pen ['laɪt.pen] noun countable ■a pen-shaped device which is used for reading bar codes 读码器，条码扫描器
随便看	rookie room room and board room service roomer roomful rooming house rooming-in roommate roomy roost rooster root root beer root cellar root crop rootbound rootless rootstock rope rope bridge rope ladder ropey rort rosary rose rose hip rose window roseate rosebud