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Asteroid
01
小行星, 星体
any of the rocky bodies orbiting the sun, ranging greatly in diameter, also found in large numbers between Jupiter and Mars
Example
Scientists study asteroids to learn about the early solar system and potential threats to Earth.
科学家研究小行星，以了解早期的太阳系及对地球的潜在威胁。
Asteroids vary in size from tiny fragments to large bodies hundreds of kilometers across.
小行星的大小从微小的碎片到直径达数百公里的大型星体不等。
asteroid
01
星形的, 星状的
shaped like a star
