名词
中文翻译：Unknown
同义词：
['frost degree', 'frost point例句：1. The temperature dropped to -40 degrees of frost.（气温降到了零下40度。）']
例句：
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1. The temperature dropped to -40 degrees of frost.
气温降到了零下40度。
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2.The farmer measured the soil's frost degree before sowing seeds.
农民在播种前测量土壤的霜点。
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3.The cold weather brought the ground to a depth of 6 feet of frost.
寒冷的天气使地面达到了6英尺深的霜层。