fin
英 [fɪn]
[NOUN]
fins
1. [C 可数名词] 鳍
A fish's fins are the flat parts which stick out of its body and help it to swim and keep its balance.
2. [C 可数名词] （飞机、火箭、炸弹等的）翼
A fin on something such as an aeroplane, rocket, or bomb is a flat part which sticks out and which is intended to help control its movement.
NOUN. 名词
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