Every year millions of people go to the mountains for backpacking, skiing, mountain climbing and other activities.

每年都有成千上万人到山下去徒步游览、滑雪、登山和其他活动。

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Every year millions of people go to the mountains for backpacking, skiing, mountain climbing and other activities.

每年都有成千上万人到山下去徒步游览、滑雪、登山和其他活动。

youdao