Catalytie desulfurization
[建] 催化脱硫
🧩 词语组成解析
直接脱硫
🗣️ 情景例句
Well, he's asleep--finally.
好了， 他终于睡着了。
Fill it up with regular, please.
请加满普通汽油。
How long has Jim been at his school?
吉姆到校有多长时间了？