“冻原”用英语怎么说？

北极冻原是指北极点周边的地区,是世界最高的地方.The arctic tundra is at the top of the world around the North Pole.冻原天鹅的北美洲亚种,以其柔和的鸣叫著名.North American subspecies of tundra swan having a soft whistling note.由永久冻土组成的北极冻原正在逐渐融化.Permafrost - the fr...

“冻原”的拼音为：dòng yuán...