/fɪn; fɪn/
n
1 thin flat projecting part of a fish, used for swimming and steering 鳍. =>illus at fish 见fish插图.
2 thing shaped like this on eg an aircraft or a rocket that helps to keep it stable 鳍状物（如飞行器或火箭上的尾翅）. =>illus at aircraft 见aircraft插图.


鱼类和其他水生动物运动和保持平衡的器官

n[C]
fin, gill
[Language: Old English;Origin: finn]
one of the thin body parts that a fish uses to swim
part of a plane that sticks up at the back and helps it to fly smoothly
→aircraft
alsotail fin
a thin piece of metal that sticks out from a car or bomb at the back
a flipper


organ of locomotion and balance in fishes and some other aquatic animals