放射線 fàngshèxiàn radioactive rays Definitions Defs Origin Strokes Stroke Words Sentences Sents 放射 fàngshè noun to radiate To emit rays of light or energy from a central point outward; also used to describe radioactivity.线 線 xiàn noun thread thread; string; wire; something long and thin like a thread; (bound form) made of cotton thread
