| 单词 | propeller |
| 释义 | propeller /preuh pel"euhr/, n. 1. a device having a revolving hub with radiating blades, for propelling an airplane, ship, etc. 2. a person or thing that propels. 3. the bladed rotor of a pump that drives the fluid axially. 4. a wind-driven, usually three-bladed, device that provides mechanical energy, as for driving an electric alternator in wind plants. [1770-80; PROPEL + -ER1] |
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