fin

simple noun2 搭配平均频率: 6.3

尾鳍

a fin at the rear of a fish, or a similar part on an aircraft or vehicle

鱼尾部或飞机尾部的鳍状物。

鱼翅

the fin of a shark, often used in soup

鲨鱼的鳍,尤指用于做汤的鱼翅。