Casting fin
[机] 铸件飞边, 铸件毛边
🧩 词语组成解析
casting
['kɑ:stiŋ]
n. 铸造，铸件;角色分配;投掷;[动]脱落物;
v. 扔掉(cast的现在分词);铸造;投掷;选派演员;
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
What made you decide to study Economics?
你为什么决定修读经济学？
Did you work all day?
你整天工作吗？
I've got a pain here. Just here. Ouch!
我这儿痛。就这儿。哎哟！