单词	裸地--不毛区
释义	不毛区；裸地bare area
随便看	optical wavelength optical wavelength conversion optical wavelength filter optical wavelength routing optical wavelength selector optical wavelength switching optical wave mixing optical wave synthesis optical wdm network optical wdm submarine cable network optical wedge optical whitener optical whitening optical whitening agent optical window optical windows optical wireless optical workshop technique optical writing optical y-branch optical yield optical zoom optical zoom ratio optical 〔measurement〕 method optical 〔quantity〕 transducer