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