释义 |
ce·si·um /ˈsiːziəm/ noun [uncountable] the American spelling of caesium caesium的美式拼法Examples from the Corpuscesium• The definition of a second has since officially been the time it takes a cesium atom to make 9,192,631,770 vibrations.• During irradiation, food is exposed to gamma rays from sources such as cobalt 60 or cesium 137.ce·si·um nounChineseSyllable spelling American the caesium Corpus of |