| 释义 |
〔deep〕a deep hole in the river ice.在冰河里的深洞〔apron〕An area covered by sand and gravel deposited at the front of a glacial moraine.冰川前砂砾层：冰河冰渍前沉积的沙及砾石覆盖的区域〔glacial〕Suggesting the extreme slowness of a glacier:缓慢的：象冰河一样运动极慢的：〔snowfield〕A large expanse of snow, especially at the head of a glacier.雪原：广阔的积雪区，尤其是指冰河上的积雪〔paleoclimatology〕The study of climatic conditions, and their causes and effects, in the geologic past, using evidence found in glacial deposits, fossils, and sediments.古气候学：运用包括冰河堆积、化石与沉积物来研究地质过去气候的状态及其成因与影响 |