"galaxies" in Chinese (Simplified)
星系
Definition
星系是由恒星、气体、尘埃和暗物质组成,由引力聚集在一起的巨大天体系统。每个星系可能包含数十亿颗恒星,并有各自独特的形状。
Usage Notes (Chinese (Simplified))
总是复数,指多个星系。常用于科学或天文学语境。常与“螺旋星系”、“椭圆星系”或“遥远的星系”等词搭配。不要与“宇宙”混淆,宇宙是指所有存在的事物。
Examples
There are billions of galaxies in the universe.
宇宙中有数以十亿计的**星系**。
Some galaxies are very far from Earth.
有些**星系**离地球非常远。
Astronomers study galaxies to learn about space.
天文学家研究**星系**以了解宇宙。
Did you know some galaxies are colliding right now?
你知道有些**星系**现在正在碰撞吗?
Through their telescope, they could see clusters of bright galaxies.
通过望远镜,他们可以看到明亮**星系**的星团。
Scientists believe that most galaxies have black holes at their centers.
科学家认为大多数**星系**中心都有黑洞。