乙种射线 Traditional 乙種射線 yǐ zhǒng shè xiàn 🔊 beta ray (electron stream from… + Keep this word Meanings yǐ zhǒng shè xiàn 乙種射線 beta ray (electron stream from radioactive decay) Its characters 乙yǐsecond of the ten Heavenly Stems…HSK 5种zhǒngseedHSK 3射shèto shootHSK 6线xiànthreadHSK 6