fin
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.
After a little time, she chose one of the most expensive dresses in the shop and handed it to an assistant who wrapped it up for her as quickly as possible.