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1. Oxford Dictionary

   Roche limit

   • IPA[rəʊʃ]

   英式

   • n.
     the distance within which the gravitational field of a large body is strong enough to prevent any smaller body from being held together by gravity.

   • noun: Roche limit, plural noun: Roche limits

2. • 更多解釋

   Roche limit

   • IPA[ˈrōSHˌlimit]

   美式

   • n.
     the closest distance from the center of a planet that a satellite can approach without being ...

   Oxford American Dictionary