Read Edit View history 本底辐射 běndǐfúshè background radiation Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 本底辐射/本底輻射 · běndǐfúshè · background radiation 2026/03/04 本底辐射 / 本底輻射 běndǐfúshè background radiation background radiation 科学家们正在监测实验室里的本底辐射水平。 created sense Mar 4, 2026, 02:25 AM