polar caps的用法和樣例：
例句
- Yet another tipping point could come as ice sheets shrink and the polar caps start absorbing rather than reflecting energy from the sun.
然而另一個引爆點的出現，則可能是冰原的縮減，極冠轉反射太陽的能量為吸收。 - Observations from Earth and the Hubble Space Telescope show that Pluto has a highly reflective surface with distinct markings that indicate the presence of expansive polar caps.
從地球與哈伯太空望遠鏡可以看到冥王星表面的反射性很強，還有很顯著的斑紋，顯示有廣闊的極冠。
polar caps的相關資料：
臨近單詞
polarite
polar
polar coordinate navigation
polarimetric interferometry
polarizing-filter analyzer
polar coordinate manipulator
polar tangential coordinates
polarizing optical pyrometer
polarimetric tumour detector
polar orthotropic anisotropy
polarizing spectrophotometer
polarographic catalytic wave
