verb · to launch a missile or satellite; to emit light, heat, or liquid

火箭成功射入预定轨道。

verb · to fire an arrow, bullet, or other projectile

他射中了大树上的红心。

verb · to hint at, suggest, or refer to something indirectly

这句谜语射一个地名。

noun · relating to radiation or radioactivity in a scientific or chemical context

这种不稳定的同位素会产生β射线。