| 释义 |
ice sheet
ice sheetn. A large sheet of ice and snow that covers an entire region and spreads out under its own weight.ice sheet n (Physical Geography) a thick layer of ice covering a large area of land for a long time, esp those in Antarctica and Greenland ice′ sheet`
n. 1. a thick sheet of ice covering an extensive area for a long time. 2. a glacier covering a large fraction of a continent. ice sheetAn immense mass of ice covering a large land area.Translationsice sheet
ice sheet[′īs ‚shēt] (hydrology) A thick glacier, more than 19,300 square miles (50,000 square kilometers) in area, forming a cover of ice and snow that is continuous over a land surface and moving outward in all directions. Also known as ice mantle. |