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
and wrote to his wife Martha.
给他妻子Martha写信。
Friends are lost by calling often and calling seldom.
交往过密过疏，都会失去朋友。
Look at the picture.
看这幅图画。