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
You can't expect to learn a foreign language in a week.
别指望一个星期就能学会一门外语。
I learned geography last week.
我上星期学地理。
'Would you mind unlocking this suitcase please?'
“请打开这只手提箱好吗？”