宇宙射线 Traditional 宇宙射線 yǔ zhòu shè xiàn 🔊 cosmic ray + Keep this word Meanings yǔ zhòu shè xiàn 宇宙射線 cosmic ray Its characters 宇yǔroom宙zhòueternity射shèto shootHSK 6线xiànthreadHSK 6