词汇	optometer test-letter
释义	optometer test-letter 视力表
随便看	Dual Flow Rapid Dyeing Machine dualflow tray dual flow tray dual-flow tray dual-flow turbine dual flow turbojet engine dual-flow turbojet engine dual-flow type tower dual-fluid dual fluidized bed gasification dual fluid power converter dual fluorescence dual-fluorescence dual-flush dual-flush flushing cistern dualfocusing mass spectrometer dual focusing mass spectrometer dual-focusing mass spectrometer dualfocusing mass spectrometre dual focusing mass spectrometre dual-focus spot Dual focus tube Dual-focus tube dual-focus X-ray tube dual folk authorities