Yahoo奇摩字典 網頁搜尋

搜尋結果

  1. 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