Russia has already planted a flag on the sea bed at the North pole while Canada has increased funding for cold weather training centres and new patrol vessels
俄罗斯已经在北极海床插下标记，加拿大在严酷天气培训中心以及和新的巡逻舰上增加了资金投入。
2
A fox USES its tail (or "brush") as a warm cover in cold weather and as a signal flag to communicate with other foxes.