| 单词 | polar circle |
| 释义 | polar circle polar circle, Arctic circle n: (North: Arctic line of latitude) SC 北极圈 běi jí quān TC 北極圈 The polar circle in the northern hemisphere is called the Arctic Circle. polar circle, Antarctic circle n: (South: Antarctic line of latitude) SC 南极圈 nán jí quān TC 南極圈 Antarctica lies within the polar circle in the southern hemisphere. |
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