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。

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A fox USES its tail (or "brush") as a warm cover in cold weather and as a signal flag to communicate with other foxes.

狐狸用它的尾巴(或“毛刷”)在冷天时盖上保暖，同其他狐狸交流时亦可用来做信号旗。

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Some plants flag in dry weather.

有些植物在干旱的天气中会枯萎。

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The National Weather Service said a red flag warning was in effect until Friday evening.

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The National Weather Service in San Diego said a red flag warning was in effect until Friday evening.

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On its Facebook page, the weather service posted a video of the wind and snow whipping a U.S. flag outside its Amarillo office.

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