| 单词 | pump-action |
| 释义 | pump-action ˈpump-action /ˈpʌmp.æk.ʃən/ adjective [before noun] ► F0 refers to a device that operates by forcing something, especially air, in or out of a closed space or container: » a pump-action shotgun» a pump-action toiletThesaurus+: ↑Generating and pumping devices |
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