Dust covers surface.
Meaning: This means that the dust is settling on top of the surface of an object, so that it is hidden or covered.
Choice of Words: Dust is fine particles of matter that are often found in the air or on surfaces. Covers means to put something on top of something else so that it is hidden or protected. Surface is the outermost layer or boundary of an object. Here, the dust is described as covering the surface of an object.
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Related Expressions