Fin efficiency
[化] 肋效率
🧩 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
Her efforts were rewarded by good results.
她的努力获得了良好的结果。
I was moved. = I was touched.
我很受感动。
Please come in and sit down. But come to school earlier next time.
但下次要早点到校。