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
Merry Christmas, Mrs. Tom!
汤姆夫人，圣诞快乐！
Watch out, it's dangerous.
注意，危险啊！
Look! There's Meimei! She's very strong. She's lifting that ladder.
瞧！梅梅在那儿。她很强壮。她举着把梯子。