Tra từ gamma rays - Từ điển Oxford Advanced Learner 8th

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Từ điển Oxford Advanced Learner 8th

gamma radiation ˌgamma radiˈation [gamma radiation] BrE NAmE noun uncountable (also ˈgamma rays plural) (physics) high-energy ↑rays of very short ↑wavelength sent out by some ↑radioactive substances compare ↑alpha radiation