英语词汇“平行光束”的释义、用法及例句翻译-英汉例句词典

词汇	平行光束
例句	The parabolic reflector of a searchlight gives a parallel beam.探照灯的抛物面反射镜发出平行光束。
随便看	action-packed action point action programme action replay actions activate activated activates activating activation active active area active constituent active day active-duty active duty active ingredient actively active member active part active participant active population active service active volcano activism

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