n.鳍；鱼翅；鳍状物；散热片；五元纸币

He did not see the fin of the other. 他没有看见另外一条的鳍。

The fish's tail fin was hurt. 这条鱼的尾鳍受伤了。

What I ordered was braised shark's fin. 我点的是红扒鱼翅。

For constant fin width, the heat sink with the highest fins has the best thermal performance. 在固定散热片宽度的条件下，高度最高的散热片有最佳的散热效果。