| 单词 | extractor |
| 释义 | extractor /ik strak"teuhr/, n. 1. a person or thing that extracts. 2. (in a firearm or cannon) the mechanism that, after firing, pulls an empty or unfired cartridge or shell case out of the chamber and brings it into place for action by the ejector. 3. a centrifuge for spinning wet laundry so as to remove excess water. 4. Med. , Dentistry. an instrument for drawing out, extracting, or pulling. [1605-15; EXTRACT + -OR2] |
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