| 单词 | sponson |
| 释义 | Word Frequency sponson(ˈspɒnsən) noun 1. navy an outboard support for a gun enabling it to fire fore and aft 2. a semicircular gun turret on the side of a tank 3. a float or flotation chamber along the gunwale of a boat or ship 4. a structural projection from the side of a paddle steamer for supporting a paddle wheel 5. a structural unit attached to a helicopter fuselage by fixed struts, housing the main landing gear and inflatable flotation bags Word origin C19: perhaps from expansion |
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