| 单词 | snow line |
| 释义 | snow line雪线 snow line snow line n.（名词）1. The lower altitudinal boundary of a snow-covered area, especially of one that is perennially covered, such as the snowcap of a mountain.雪线：冰雪覆盖地的较低高度分界线，特别是长年积雪地区，如覆有积雪的山顶2. The fluctuating latitudinal boundaries around the polar regions marking the extent of snow cover.万年雪线：在两极地区标志着雪盖波动范围的纬度边界 |
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