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
Do you need-that-pencil?
你要那只铅笔吗？
He who is ashamed of asking is ashamed of learning.
耻于问者耻于学。
Of course! What do you want me to do?
当然！你要我做点什么？