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 have a picture of Grandpa and Dad and me in my wallet.
我皮夹里有一张照片，是爷爷、爸爸和我在一起照的。
When the light went out, I was cleaning the yard.
当熄灯的时候，我在清理庭院。
Oh good! But where are the paper bags?
太好了。不过纸袋在哪儿？