Asteroid belt
01
小行星带, 小行星环
a region in the solar system located between the orbits of Mars and Jupiter, populated by numerous small celestial bodies called asteroids
例子
The asteroid belt contains millions of asteroids ranging in size from small rocky fragments to larger bodies several hundred kilometers across.
小行星带包含数百万颗小行星，其大小从小的岩石碎片到直径数百公里的较大天体不等。
Scientists study the composition and movement of asteroids in the asteroid belt to understand the early formation of the solar system.
科学家研究小行星带中小行星的组成和运动，以了解太阳系的早期形成。
