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来源:雅诚德英语网
Since cold air sinks, and these spots are shaded, they are usually much cooler than the surrounding area.
由于冷空气下沉,这些斑点被遮蔽,它们通常比周围的地区要冷得多。
Since cold air sinks, and these spots are shaded, they are usually much cooler than the surrounding area.
由于冷空气下沉,这些斑点被遮蔽,它们通常比周围的地区要冷得多。