旗杆:flagpole 桅杆式天线:flagpole antenna 电线杆:telegraph pole 北极:North Pole 南极:South Pole 北极熊:polar bear 北极星:The Polestar 两级分化:polarization 撑杆跳:pole jump/vault 撑杆跳高运动员:pole vaulter 处于困境:up the pole 截然相反:poles asunder
