Fin
01
鳍, 背鳍
a thin flat membrane of the body of many sea creatures, used for swimming and keeping balance
02
脚蹼, 蛙鞋
a shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)
03
五, 数字五
the cardinal number that is the sum of four and one
04
鳍, 稳定器
a stabilizer on a ship that resembles the fin of a fish
05
鳍
one of a set of parallel slats in a door or window to admit air and reject rain
06
鳍, 尾翼
a streamlined projection, usually found at the rear of a car
例子
The classic sports car featured a prominent fin that enhanced its retro design.
这款经典跑车有一个突出的尾翼，增强了其复古设计。
The concept car 's fin was designed to reduce drag and improve aerodynamics.
概念车的鳍旨在减少阻力并改善空气动力学。
to fin
01
展示鳍, 将鳍露出水面
show the fins above the water while swimming
02
用鳍游泳
propel oneself through the water in a finning motion
03
给（汽车）装上鳍
equip (a car) with fins
