Kuiper belt
01
柯伊伯带, 柯伊伯环
a region beyond Neptune in the solar system containing icy objects like dwarf planets, asteroids, and comets
例子
Pluto was once considered the ninth planet before its reclassification as a dwarf planet within the Kuiper Belt.
冥王星曾被认为是第九颗行星，后来被重新归类为柯伊伯带中的矮行星。
The discovery of new objects in the Kuiper Belt has expanded our understanding of the solar system's outer regions.
在柯伊伯带发现新天体扩展了我们对太阳系外区域的理解。
