The noun 'vacuum' refers to a space entirely devoid of matter, a vacuum cleaner, or empty space.
名词 'vacuum' 指真空、真空吸尘器或空间。
| 单词 | vacuum |
|---|---|
| 发音 | ['vækjʊəm] |
| 释义 | n. 真空；真空吸尘器；空间 |
| 词序 | 4987 |
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