n. a stabilizer on a ship that resembles the fin of a fish
n. organ of locomotion and balance in fishes and some other aquatic animals
v. equip (a car) with fins
v. propel oneself through the water in a finning motion
n. 鳍, 鱼翅, 鳍状物, 五元纸币
vi. 猛挥鳍
vt. 装上翅, 切除鳍
1. The fish swims gracefully with its fins.
鱼用它的鳍优雅地游泳。
2. She used a fin to help her stay afloat while snorkeling.
她用鳍来帮助自己在浮潜时保持漂浮。
3. The shark's dorsal fin is a warning sign for swimmers.
鲨鱼的背鳍是游泳者的警告信号。