英语词汇“natural radiation background”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	natural radiation background
释义	natural radiation background un.天然放射性本底
随便看	come easy to comee between Come either today or tomorrow come/enter into force come enter one's head come enter the world come equal first with come expressly to come face to face with come face to face with someone come far in Comefer CO.ME.F.GROUP S.C.A R.L come first come flapping over the water come flooding back come for Come for a swim come for little come for lunch come forth come forth with Come for treatment every day come forward come forward with