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1
环极的, 极地的
related to areas or phenomena located around the poles of the Earth, particularly within the Arctic and Antarctic circles
- Circumpolar regions experience extreme seasonal variations in daylight, with continuous daylight in summer and darkness in winter.
环极地区经历着日照时间的极端季节性变化，夏季连续日照，冬季则陷入黑暗。
- Geologists study circumpolar ice cores to gather information about Earth's climatic history.
地质学家研究环极冰芯以收集有关地球气候历史的信息。
- The circumpolar distribution of certain plant species indicates their adaptation to harsh, cold environments.
某些植物物种的环极分布表明它们适应了严酷的寒冷环境。
- Polar bears and Arctic foxes are examples of wildlife that thrive in circumpolar habitats.
北极熊和北极狐是在环极栖息地繁衍生息的野生动物的例子。
- Researchers are monitoring the effects of climate change on circumpolar permafrost, which is beginning to thaw at unprecedented rates.
研究人员正在监测气候变化对环极永久冻土的影响，这些冻土正以前所未有的速度开始融化。
2
拱极的, 极地的
(of a celestial body) continually visible above the horizon during the entire 360 degrees of daily travel