Pneumatic refractory gun
[机] 耐火衬料喷补机
🧩 词语组成解析
gun
[ɡʌn]
n. 枪;发令枪声;受雇杀人的枪手;喷射器;
vt. 射击（某人）;给…加大油门;打猎;
vi. 用枪打猎;
🗣️ 情景例句
It's no use crying over spilt milk. What's done cannot be undone.
覆水难收。
There's something wrong with the phone.
电话出了点儿毛病。
At the age of twelve years, the human body is at its most vigorous.
人体在12岁时是生命力最旺盛的时期。