Pneunatic perforator
[机] 气钻
🧩 词语组成解析
[机] 气力缝锤; 空气的, 气脏的, 空气作的
perforator
['pɜ:fəreɪtə]
n. 穿孔器，穿孔员;凿孔机;
🗣️ 情景例句
He studied harder to improve his English.
他更加努力提高英语水平。
If you want my advice,I don't think you should go.
如果你想要我的忠告，我不认为你应该去。
I'm just calling to introduce myself. My name is Tang.
我打电话是向您作自我介绍，我姓唐。