polar cap meaning in English
【天文学】极冠。
Examples
- The polar caps are now in a warmer climate where they begin to melt
极圈现处在它们开始融化的较热的气候里。 - This year , shanshan ' s dad was a pilot on flights over the polar cap
今年，姗姗的爸爸成为了飞两极冰帽的航班上的飞行员。 - Zuber and her colleagues also analyzed mars ' s much larger northern polar cap
尤伯和她的同事也分析了火星上要大得多的北部极地冰冠。 - Oddly , the region lies near the martian equator and not near either of mars ' frozen polar caps
很怪异的，这个区域紧邻著火星赤道而非位于冰冷极区的附近。 - There is water on mars . more specifically , there is ice in and on the ground ( especially at the polar caps ) and water vapor in the atmosphere
火星上有水。更确切的说，地表和地下的冰（尤其在冰帽里）以及大气中的水汽。