Cycloversion desulfurization
[建] 环化去硫法
🧩 词语组成解析
直接脱硫
🗣️ 情景例句
I'd like to buy some stamps for this letter.
我想买这封信的邮票。
Could you tell me where I can find these books?
您能告诉我在哪儿能找到这些书吗？
Lily, do you have a ruler?
莉莉，你有尺子吗？