Polystep reaction
[化] 多步反应
🧩 词语组成解析
🗣️ 情景例句
After forty-eight hours.
四十八小时后。
Everything is going according to schedule.
一切在按照预定计划进行。
When can you come around to discuss some details with us?
什么时候可以过来和我们讨论细节呢？