Air-acetylene welding
[机] 空气乙炔熔
🧩 词语组成解析
air
[ɛə]
n. 天空;气氛;空运;（简单易记的）曲调;
vt.& vi. 晾晒;烘干;播送;广播;
vt. 使房间通风， 透气;
n. 乙炔, 电石气\\n[化] 乙炔; 双亚乙基
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
Five.
5号。
It doesn't matter to me.
这对我来说无所谓。
Then he put his hand into pocket, and took out a phrasebook.
然后他把手伸进了衣袋，掏出了一本常用语手册。