| 单词 | fin keel |
| 释义 | fin keel (once / 1969886 pages) n WORD FAMILY fin keel USAGE EXAMPLESIts shallow hull, vertical bow and narrow fin keel made the boats into clean and efficient sea missiles. Wall Street Journal(Sep 03, 2015) Her fin keel struck bottom, and her main topmast lurched and shivered as if about to come down upon our heads. London, Jack, The Cruise of the Snark(2010) n a metal plate projecting from the keel of a shallow vessel to give it greater lateral stability Hypo|Hyper centerboard, centreboard, drop keel, sliding keel a retractable fin keel used on sailboats to prevent drifting to leeward daggerboarda removable centerboard on a small sailboat that can be lowered into the water to serve as a keel plate a sheet of metal or wood or glass or plastic |
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