不要忘了戴帽子或者系头带来保护您的耳朵，它也容易被冻伤。

And don't forget a hat or headband to protect your ears, which also are vulnerable to frostbite.

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保护您的耳朵，使用耳朵护罩或戴上其他听力保护物。

Protect your ear, use ear to protect a cover or put on other hear a dint protection thing.

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