1.The arctic tundra is at the top of the world around the North Pole.
北极原是指北极点周边地区,是世界最高地方。
2.A solar phenomenon known as a sundog arcs over the tundra in Churchill, Manitoba, Canada.
/ 太阳“假日”天文现象半悬大Manitoba丘吉尔苔原天际。
3.Most of the birds that have ent the brief summer on the tundra now disa ear, leaving only the golden eagle, the gyrfalcon, the ptarmigan, and the owy owl to brave the sunle northern winter.