Sulphonating
磺化
🗣️ 情景例句
I can't believe it!
我简直不敢相信！
Delivery costs will have to be borne by the manufacturer, I'm afraid.
运费恐怕要由制造厂商来承担。
The nurse assisted the doctor in the operating room.
护士在手术室协助医生动手术。