北极的 arctic a ; arctic c a
北极的海洋动物的程序 a map Arctic Marine Animal Program
北极熊的赛跑 Running From a Polar Bear
吃西瓜的北极熊 Polar Bear Eating a Watermelon
开凿航道的北极探险队 Arctic Explorers Cutting a Channel
The Pole Star appears to be changing from a star that pulsates.
北极星似乎由一颗脉动的恒星衍变而来。
Brittleness remains a problem when building steel structures in cold conditions, such as oil rigs in the Arctic.
对于在寒冷条件下建造钢结构，比如北极的石油钻井平台，如何解决材料的脆性仍然是一个问题。
A hunter who took what appeared to be a baby polar bear from the North Pole has been found and will face strict punishment.
一个猎人从北极捕获了一只疑似北极熊幼崽的动物，目前已被发现，他将面临严厉的惩罚。
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