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
I started traveling twenty-four hours ago.
从出门到现在已经二十四小时了。
So long.
再见
and that is what all patients demand of their doctors----to be cured at no inconvenience to themselves.
病要治好，但不要太麻烦。