极柱

polar front───极面

goal post───足球等的门柱

polar body───[细胞]极体

solar pond───太阳（能）池

collar point───领尖

forward post───前导柱

polar fronts───极面

that never sets, they anchor tents against freezing winds, post lookouts for polar bears, and begin coaxing the secrets of evolution from a rocky polar desert.───那个极昼之地，他们在刺骨的寒风中固定好帐篷，设置好警戒北极熊的岗哨，然后从布满岩石的极地荒原中开始慢慢探寻进化的奥秘。