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radioactivity
radioastronomy radiobiology radiobroadcast radiobroadcasting radiocast radiochemist radiochemistry radiogenic radiogenimetry radiogeniometer radiogram radiograph radiographer radiography radioguidance radiohazard radiohouse radioisotope radiolocation radiolocator radiologist radiology radiolucency radiolucent radiolysis radiolytic radioman radiomaterial radiometallography |
radioactivity /'reidiouæk'tiviti/
danh từ
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