1.
A star of the second magnitude, at the end of the handle of the Little Dipper and almost at the north celestial pole.
北极星第二星的光度中的一颗星，位于小熊星座把柄的末端，几乎位于北天极
2.
polar bears, denizens of the frozen north
北极熊, 北极冰天雪地的老住户
3.
A polar bear has a preference for cold weather.
北极熊喜欢寒冷的天气。
4.
This is the winter of the North Pole,
这就是北极的冬天。
5.
We are as wide asunder as the poles.
我们天南地北相隔极远。
6.
The polar bear's white fur is a natural camouflage, ie because the bear is hard to see in the snow.
北极熊的白色毛皮是天然的保护色.
7.
The winters in the Arctic are long and dark.
北极的冬天又漫长又黑暗，
8.
It is turning into a winter wonderland here.
雪把冬天的北极装点成仙境。
9.
aurora Polaris
【地物】极光, 北极光
10.
The explorers endured without flinching the rigours of an arctic winter.
探险家们毫不畏缩地忍受北极冬天的严寒。
11.
Winter temperatures average30 d3 egrees below zero in the Arctic.
北极的冬天，气温平均在摄氏零下30度左右。
12.
large hare of Arctic America almost completely white in winter.
美洲北极地区的大型野兔，冬天几乎完全为白色。
13.
The Arctic Ocean could largely be devoid of sea ice during summer later in the century.
本世纪末,北极海浮冰在夏天大部份将消失.
14.
Polar bears live in the North Pole.
北极熊居住在北极。
15.
at or near the north pole.
在北极的或北极附近的。
16.
Forecasters say an arctic front will bring even more startling snow tomorrow.
天气预报员说明天又要迎来北极圈气候的更大的一场雪。
17.
A constellation in the polar region of the Northern Hemisphere near Cepheus and Ursa Major.
天龙星座在北半球的极地，靠近天王座与大熊座的一个星座
18.
Polar bears on Hudson Bay fast during the summer, waiting for ice to form in the fall to hunt.
哈德逊湾的北极熊在夏天禁食，等待秋天结冰以猎食。