在人类历史的长河中,10年只是短暂的瞬间。
No, well they e very rare. They e seen in the sky for only a very brief moment.它们是很罕见的,我们只能在瞬间于天空见到它们。
They e seen in the sky for only a very brief moment. When they appear, they e so brilliant, so bright.它们虽然出现在空中的时间很短暂,但每出现时都很精采、很光芒。