The polar bear is native to the Arctic region.
北极熊是原产于极地地区的动物。
Scientists study polar ice to understand climate change.
科学家研究极地冰层以了解气候变化。
The polar explorer wore specialized gear for the expedition.
这位极地探险家穿戴了专业装备进行探险。
We need to protect the polar habitats from human activities.
我们需要保护极地栖息地免受人类活动的影响。
Many animals in the polar regions are endangered.
许多极地地区的动物濒临灭绝。
The polar night lasts for several months in winter.
极地夜在冬季持续数月之久。
The polar climate is characterized by extreme cold.
极地气候的特点是极端寒冷。
There are unique ecosystems in the polar areas.
极地地区有独特的生态系统。
Global warming is affecting the polar ice caps significantly.
全球变暖正在显著影响极地冰盖。
They observed polar lights during their trip to Norway.
他们在挪威旅行时观察到了极地光。
polar ice caps 极地冰盖
polar opposite 截然相反
polar coordinates 极坐标
polar regions 极地地区
polar vortex 极地涡旋
polar expedition 极地探险
