1.
aurora Polaris
【地物】极光, 北极光
2.
Polar bears live in the North Pole.
北极熊居住在北极。
3.
at or near the north pole.
在北极的或北极附近的。
4.
true north (north according to the earth's axis,not magnetic north)
真北（以地轴北极为正北的,非磁极之北）.
5.
the regions north of the Arctic Circle centered on the North Pole.
北极圈以北的以北极为中心的区域。
6.
a line of latitude at the north or south poles.
围绕北极或南极的纬线。
7.
The South Pole is the antipode of the North Pole.
南极是北极的对蹠地。
8.
The South Pole and the North Pole areantipodes.
南极和北极是对跖地域。
9.
the stark vacancy of the arctic landscape
北极景色的极端空白
10.
true north is geographic north.
正北方是地理的北极。
11.
North magnetic poles repel .
磁北极与磁北极互相排斥.
12.
polaris happens to lie almost directly over the North Pole
北极星恰巧差不多位于北极的正上方。
13.
The polar bear lives in the snow and ice at the North Pole.
北极熊住在北极的雪地以及冰原。
14.
polar bears, denizens of the frozen north
北极熊, 北极冰天雪地的老住户
15.
The polar region is the habitat of the polar bear.
北极地带为北极熊的栖息地。
16.
A polar bear is a big white bear that lives near the North Pole.
北极熊是生活在北极附近白色的大熊。
17.
The earth's poles are called the North Pole and the South Pole.
地球的极点称作北极和南极。
18.
The Arctic is a polar region. It surrounds the North Pole.
北极地区是个极地的区域，它把北极围在中间。