| 释义 |
vacuumvac·u·um1 /ˈvækyum / noun [countable] - (
physics物理) a space that contains no substance and no air or gas真空◆ (figurative) a vacuum in her life (= a feeling of emptiness) 她生活中的空虚
- = vacuum cleaner
vacuumvac·u·um2 /ˈvækyum / verb [intransitive, transitive] to clean something using a vacuum cleaner吸尘；用真空吸尘器打扫 |