Yahoo香港字典 搜尋

搜尋結果

1. Oxford Dictionary

   mid-ocean ridge

   • n.
     a long, seismically active submarine ridge system situated in the middle of an ocean basin and marking the site of the upwelling of magma associated with sea-floor spreading. An example is the Mid-Atlantic Ridge.

   • noun: mid-ocean ridge, plural noun: mid-ocean ridges