Were there anyinhabitants on the moon, they would see our earth reflecting the light of the sun, like a huge mirror hung in the sky.

• 假如月球上有居民的话,他们就会看到地球像挂在天空中的一面巨大镜子一样,反射着太阳光。虚拟语气使用频繁已被公认为是科技英语的特点之一。