fins
英 [fɪnz]
美 [fɪnz]
n. (鱼的)鳍; 鳍状物，翼(车辆、航空器等用以保持平衡等的突出窄扁部分)
fin的第三人称单数和复数
柯林斯词典
- 鳍
A fish'sfinsare the flat objects which stick out of its body and help it to swim and keep its balance. - 鳍状物;(飞机等的)垂直安定面;(火箭、炸弹等的)尾翼
Afinon something such as an aeroplane, rocket, or bomb is a flat part which sticks out and which is intended to help control its movement.