| 释义 |
ˈice-sheet
A sheet or layer of ice covering an extensive tract of land; spec. that supposed to have covered a great part of the northern hemisphere during the glacial period.
1873J. Geikie Gt. Ice Age (1894) 364 Long before the appearance of the ice-sheet. 1891Sir R. Ball Ice Age 168 In future periods the ice-sheets will again return and desolate those regions which now contain the most civilized nations of the earth. 1897Daily News 9 Nov. 6/6 Everywhere else, with the exception of a few low islands, the ice⁓sheet overran everything. |