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
No, I could never agree to sign this contract.
不，我无论如何也不会签这份合同。
I meet the boy whose aunt is a nurse.
我遇到那个男孩的姑妈是护士。
Litter baskets have been placed under the trees, but people still throw their rubbish everywhere.
树下都已设置了废物筐，但是人们仍到处扔垃圾。