fin of [noun]
The fin of a whale is impressive.
鲸鱼的鳍令人印象深刻。
鳍；鱼鳍
fins — plural of fin
脚蹼；（飞行器等的）尾翼；（冲浪板的）鳍；（汽车的）尾鳍；散热片
A flat body part on a fish or sea mammal that it uses to swim and steer.
鱼的附肢之一,用于推进和转向
One of the appendages of a fish, used to propel itself and to manoeuvre/maneuver.
四加一的基数
the cardinal number that is the sum of four and one
鲸类或其他海洋动物的类似附肢
A similar appendage of a cetacean or other marine animal.
汽车后挡泥板上方的一对装饰物
one of a pair of decorations projecting above the rear fenders of an automobile
飞机上从机身延伸出的薄而硬的部件,用于稳定和操控
A thin, rigid component of an aircraft, extending from the fuselage and used to stabilise and steer the aircraft.
门窗上的平行板条,用于通风和挡雨
one of a set of parallel slats in a door or window to admit air and reject rain
弹射物上类似的结构,用于保持航向
A similar structure protruding from a projectile, used to help keep it on course.
冲浪板底部的类似结构,用于帮助转向
A similar structure on the bottom of a surfboard, used to help steer it.
一种类似鱼鳍的发型,头发梳成从头顶到前额的垂直脊
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.
潜水员和游泳者脚上戴的装置
A device worn by divers and swimmers on their feet.
散热器、发动机、散热片等表面的延伸部分,用于促进冷却
An extending part on a surface of a radiator, engine, heatsink, etc., used to facilitate cooling.
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
A sharp raised edge (generally in concrete) capable of damaging a roof membrane or vapor retarder.
潜艇的指挥塔
The conning tower of a submarine.
I only have a fin left after paying for lunch.
付完午餐后我只剩下一张五元纸币了。
用法提示：fin作为名词，表示五美元纸币，此处为单数形式。
He handed the cashier two fins for the coffee.
他递给收银员两张五元纸币买咖啡。
用法提示：fins是fin的复数形式，指多张五美元纸币。
Can you break this fin into smaller bills?
你能把这张五元纸币换成小面额钞票吗？
用法提示：fin作为名词，特指五美元面额的纸币。
The fin of a whale is impressive.
鲸鱼的鳍令人印象深刻。
非正式用语，指五元纸币。
I only have a fin.
我只有一张五元纸币。
背鳍
The dolphin's dorsal fin helps it steer.
海豚的背鳍帮助它转向。
尾鳍
The shark's tail fin propels it through the water.
鲨鱼的尾鳍推动它在水中前进。
鲨鱼鳍；鱼翅
Shark fin soup is considered a delicacy in some cultures.
鱼翅汤在某些文化中被视为美味。
脚蹼
Divers wear swim fins to move faster underwater.
潜水员戴脚蹼以便在水下移动更快。
腹鳍
The pelvic fin helps fish maintain balance.
腹鳍帮助鱼类保持平衡。
左边有鱼鳍，右边有鱼鳍，你是镇上唯一的女孩。
The shark's fin sliced through the water.
鲨鱼的背鳍划破了水面。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.