Ventral fin
n. 腹鳍
🧩 词语组成解析
fin
[fin]
n. 鱼鳍;鳍状物;（汽车、飞机、炸弹上的）尾翅;散热片;
vt. 给…装上翅片;切除鳍;
vi. 潜泳;（猛烈地）拍动（鳍）;
🗣️ 情景例句
Where are you from in Florida?
你从佛罗里达的什么地方来？
Tom graduated from college at a very young age.
汤姆很年轻就从大学毕业了。
The Australian seasons are the opposite.
澳大利亚的季节正好相反。