fin

As a fossil hunter, Shubin distinguished himself by leading an expedition to the Arctic in 2004 which uncovered the remains of a fish with a wrist, a creature with part fin, part limb..作为一名化石搜寻者，舒宾的杰出成就是在2004年带领了一次北极探险。 在这次探险中，他们发现了一种半鳍半肢的动物——一条有腕的鱼化石。

dorsal fin,n. 背鳍

shark fin,鱼翅，鲨鱼鳍

fin tube,[机]翅片管

tail fin,鱼的尾鳍；[空]直尾翼，垂直尾翼

fin stabilizer,减摇鳍装置；防摇鳍，鳍板稳定器

pectoral fin,[鱼]胸鳍

radiator fin,散热片；散热器片

anal fin,臀鳍

fin ray,鳍条

pelvic fin,腹鳍