放射源 Save Sign in to save words fàngshèyuán ㄈㄤˋ ㄕㄜˋ ㄩㄢˊ radiation source Character by character 放(fàng)put 射(shè)shoot 源(yuán)root A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0