“冻原”造句

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 frozensoil that forms the backbone of the Arctic tundra - is melting due to climbing global temperatures.

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