tail fin
英 [teɪl fɪn]
美 [teɪl fɪn]
尾鳍；直尾翼，垂直安定面
英英释义
noun
- the tail of fishes and some other aquatic vertebrates
- one of a pair of decorations projecting above the rear fenders of an automobile
- a stabilizer that is part of the vertical tail structure of an airplane