#獲取、吸收、或過濾能量
#保護免受溫度危害
#Capture, absorb or filter energy
#Protect from temperature
北極熊上的護毛以吸收紅外輻射形式的熱量來防止熱量損失 (Guard hairs on the polar bear prevent heat loss by absorbing heat in the form of infrared radiation.)