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单词
shepherd satellite
释义
shepherd satellite
n.
(名词)
A moon that orbits near the edge of a planetary ring, constraining the ring's extent through gravitational pull.
守护卫星,牧人星:在行星环边缘运行的卫星,藉重力作用来限制光环的大小
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更新时间:2025/3/29 4:37:12