英语词汇“不必”的读音、翻译、释义、用法及例句-语文网

词汇	不必
释义	不必 bu bi ㄅㄨˋ ㄅㄧˋ 1.unnecessary 2.need not
随便看	optical disk optical disk storage optical fiber optical fiber optical fibre optical font optical forms overlay optical illusion optical information processing optical isolation optical isolator optically optical mark page reader optical mark reader optical mark recognition optical memories Optical Memory Card Optical Mouse Optical Networking optical processing optical reader optical scanner Optical Sensor optical storage optical switch

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