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1.

To place something over another, effectively shielding it from external elements or prying eyes, creating a barrier that protects or conceals the underlying object or situation.

2.

To envelop an area fully, creating an atmosphere or mood that engulfs everyone and everything within that space.

3.

To obscure the truth or reality, masking facts to prevent others from recognizing or understanding them.

4.

To express or encapsulate the entirety of something with a single statement or idea, thus providing a comprehensive summary or interpretation.

Example:

机はほこりで覆われている。