名词
中文翻译：Unknown
同义词：
['sledding', 'sledding down']
例句：
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1.They went sledding down the hill on Christmas Eve.
他们在圣诞节前夕去滑雪。
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2. The kids were sledding down the hill when it started snowing.
孩子们在开始下雪时正在滑雪。
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3. She was sledding down the hill with her friends when she fell and broke her arm.
她和朋友一起滑雪时摔断了手臂。