Fin tube
[化] 翅片管
🧩 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
He is making good progress after his operation.
他动过手术后病情大为好转。
Just made it.
末班车。
What colour are they?
他们是什么颜色的？