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
Having their origins in China, chopsticks are used in many Asian countries.
筷子起源于中国，现在很多的亚洲国家都使用它。
Money is the root of all evil.
金钱是万恶之源。
they do not realize that they are deprived of the necessities of life.
却没有意识到被剥夺了生活所必需的东西。