英语词汇“several hours per day”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	several hours per day
释义	several hours per day 每天几小时
随便看	incident history incidential material incident illumination incident illuminator incident image incident impedance incident intensity incident into Incident Investigation incident investigation review committee incident investigation team incident ion Incident isolation incidentless incident lethal temperature incident light incident-light incident light beam incident light flux incident light illuminator incident lighting incident light intensity incident light meter incident light microscope incident-light microscope