英语词汇“cross hair”是什么意思，“cross hair”的读音、用法及例句翻译-烛光网

词汇	cross hair
释义	cross hair 或 cross·hair AHD[krôsʹhâr', krŏsʹ-] D.J.[ˈkrɔːsˌheə, ˈkrɒs-]K.K.[ˈkrɔsˌhɛr, ˈkrɑs-]n.（名词） Either of two fine strands of wire crossed in the focus of the eyepiece of an optical instrument and used as a calibration or sighting reference.十字丝：呈十字形交叉于光学仪器的目镜焦点上的两根细丝之一，用于校准或瞄准参考
随便看	ruins Ruisdael Rukeyser Rukwa rule ruled ruled surface rule of engagement rule of the road rule of thumb ruler ruler rulers rules ruling ruling rulings rullock ruly rum rum rum rumaki rumakis Rumania

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