Elliptical fin tube
[化] 椭圆管式翅片管
🧩 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
As poor as a church mouse.
一文不名。
I'll go on an outing with some friends.
我与朋友去郊游。
That's a nice car. How long have you had it?
好漂亮的汽车。你买多久了？