单词：fins
n one of a pair of decorations projecting above the rear fenders of an automobile
n one of a set of parallel slats in a door or window to admit air and reject rain
n a shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)
n a stabilizer on a ship that resembles the fin of a fish
n organ of locomotion and balance in fishes and some other aquatic animals
v equip (a car) with fins
v propel oneself through the water in a finning motion
v show the fins above the water while swimming
fin的用法和样例：
例句
- He did not see the fin of the other.他没有看见另外一条的鳍。
- The fish's tail fin was hurt.这条鱼的尾鳍受伤了。
- What I ordered was braised shark's fin.我点的是红扒鱼翅。
- For constant fin width, the heat sink with the highest fins has the best thermal performance.在固定散热片宽度的条件下，高度最高的散热片有最佳的散热效果。
常见句型
- A fish uses its fins to balance and steer itself.鱼用鳍来平衡和驱动身体。
词汇搭配
- tail fins垂直尾翼
经典引文
Wicked sharks..were swimming just below the surface, their fins poking out.
出自：J. Wain
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