polar regions

• 极区

polar regions的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 polar region:

1. the part of the Earth's surface forming a cap over a pole; characterized by frigid climate

polar regions的用法和样例：

例句

1. The immediate cause of low temperature in the polar regions is the low solar elevation and solar radiation input.
   极区低温的直接原因是低的太阳高度角以及低的太阳辐射输入。
2. The violet shades extending from the top and bottom are likely dueto frost particles in Ganymede's polar regions.
   影像上方及下方的紫色区域，可能是由木卫三极区的霜雪粒子所造成的。
3. I visited the Polar Aquarium today.
   我今天参观了极地水族馆。
4. Liquid water could be thawed to form a polar ocean.
   液化的水可以融化成极地海洋。