• fin
• n.  [fɪn]　( fins )
•   
• 双解释义
• C 1. 鱼鳍  a winglike part that a fish uses in swimming
• C 2. (汽车、飞机、炸弹上的)尾翅  a part shaped like this on a car,aircraft or bomb

• 词汇搭配  

• 名词+～
• tail fins   垂直尾翼

• 句型例句  

• A fish uses its fins to balance and steer itself.鱼用鳍来平衡和驱动身体。