| 单词 | pump-action |
| 释义 | pump-action ['pʌmp.æk.ʃən] adjective [before noun] ■describes a device which operates by forcing something, especially air, in or out of a closed space or container （装置）拉推式的，压出式的 •a pump-action shotgun拉推式猎枪 •a pump-action toilet泵式抽水马桶 |
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