kē / xué / jiā / zhèng / zài / yán / jiū / yǔ / zhòu / shè / xiàn / duì / yǔ / háng / yuán / jiàn / kāng / de / yǐng / xiǎng

科学家正在研究宇宙射线对宇航员健康的影响。

Scientists are studying the effects of cosmic rays on astronauts' health.