Desulphurization
[机] 脱硫, 去硫
🗣️ 情景例句
Good evening, how may I help you sir?
晚上好，你需要帮助吗？
All time is no time when it is past.
光阴一去不复返。
How was the exam, Richard?
考试考得怎样，理查德？