arctic /ˈɑ:ktik]/ I. adj. 北极的，寒带的；极冷的：The explorers spent months in the Arctic wastes. 探险家们在北极荒原上工作了几个月。The sort of animal lived in the Arctic Circle.这种动物生活在北极圈里。The conditions were arctic.周围环境极冷。‖II. n. 北极（the Arctic）：Have you been to the Arctic?你到过北极吗? They flew over the unlimited reaches of the Arctic.他们飞过了茫茫无边的北极上空。