The word "vacuum" can be used as a noun meaning "vacuum" or "vacuum cleaner," and as a verb meaning "to clean with a vacuum cleaner."
词语“vacuum”可作为名词使用，意为“真空”或“吸尘器”，也可作为动词使用，意为“用吸尘器打扫”。
| Front | vacuum |
|---|---|
| Back | n.真空，吸尘器 v.用吸尘器打扫 |
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