| 词汇 | fin |
| 释义 | finBrE /fɪn/ NAmE /fɪn/ noun a thin flat part that sticks out from the body of a fish , used for swimming and keeping balance （鱼的）鳍a thin flat part that sticks out from the body of a vehicle , an aircraft , etc ., used for improving its balance and movement 鳍状物，翼（车辆、航空器等用以保持平衡等的突出窄扁部分）◆ tail fins 垂直尾翼 |
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