fin

A flat body part on a fish or sea mammal that it uses to swim and steer.

1. 1.

   One of the appendages of a fish, used to propel itself and to manoeuvre/maneuver.

   鱼的附肢之一,用于推进和转向

2. 2.

   the cardinal number that is the sum of four and one

   四加一的基数

3. 3.

   A similar appendage of a cetacean or other marine animal.

   鲸类或其他海洋动物的类似附肢

4. 4.

   one of a pair of decorations projecting above the rear fenders of an automobile

   汽车后挡泥板上方的一对装饰物

5. 5.

   A thin, rigid component of an aircraft, extending from the fuselage and used to stabilise and steer the aircraft.

   飞机上从机身延伸出的薄而硬的部件,用于稳定和操控

6. 6.

   one of a set of parallel slats in a door or window to admit air and reject rain

   门窗上的平行板条,用于通风和挡雨

7. 7.

   A similar structure protruding from a projectile, used to help keep it on course.

   弹射物上类似的结构,用于保持航向

8. 8.

   A similar structure on the bottom of a surfboard, used to help steer it.

   冲浪板底部的类似结构,用于帮助转向

9. 9.

   A hairstyle, resembling the fin of a fish, in which the hair is combed and set into a vertical ridge along the top of the head from about the crown to the forehead.

   一种类似鱼鳍的发型,头发梳成从头顶到前额的垂直脊

10. 10.

    A device worn by divers and swimmers on their feet.

    潜水员和游泳者脚上戴的装置

11. 11.

    An extending part on a surface of a radiator, engine, heatsink, etc., used to facilitate cooling.

    散热器、发动机、散热片等表面的延伸部分,用于促进冷却

12. 12.

    A sharp raised edge (generally in concrete) capable of damaging a roof membrane or vapor retarder.

    尖锐的凸起边缘(通常在混凝土中),能损坏屋顶防水膜或防潮层

13. 13.

    The conning tower of a submarine.

    潜艇的指挥塔

脚蹼；（飞行器等的）尾翼；（冲浪板的）鳍；（汽车的）尾鳍；散热片

In use

Connections

Learner notes