Acetylene
n. 乙炔, 电石气\\n[化] 乙炔; 双亚乙基
📖 牛津释义
acetylene
n[U]
(chemistry 化) colourless gas that burns with a bright flame, used in cutting and welding metal 乙炔; 电石气.
🗣️ 情景例句
Sit down. Sit down.
请坐。请坐吧。
I wonder what makes you late.
我不知道是什么使你迟到。
Are all the things in the car now?
现在所有的东西都在车上吗？