词汇	a casual laborer
释义	a casual laborer 临时工劳动者
随便看	selenium cadmium pigment selenium catalyst selenium-catalyzed selenium cell selenium celleg the exposure meter of a camera selenium cell relay selenium-cell relay selenium cells selenium charging rectifier selenium chiston Selenium-Chitooligosaccharides Selenium chitosan selenium chloride selenium-coated drum selenium coated plate selenium-coated plate selenium complex selenium compound Selenium Compounds Selenium concentration selenium conductive cell selenium conductive photocell selenium conent selenium-containing polysaccharide selenium-containing protein