circumpolar
01
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
例子
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。
02
拱极的, 极地的
(of a celestial body) continually visible above the horizon during the entire 360 degrees of daily travel
