Read Edit View history 乙种射线 yǐzhǒngshèxiàn beta ray Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 乙种射线/乙種射線 · yǐzhǒngshèxiàn · beta ray 2026/03/04 乙种射线 / 乙種射線 yǐzhǒngshèxiàn beta ray beta ray (electron stream from radioactive decay) 放射性物质在衰变过程中会释放出乙种射线。 created sense Mar 4, 2026, 02:25 AM