Resulfurization
[冶]增硫, 回硫
🗣️ 情景例句
Now I know.
我现在知道了。
She began playing the violin when she was nine.
她从九岁就开始练习小提琴。
I made your birthday cake last night, when you were in bed, Mrs Read answered.
“昨天晚上你睡觉时，我就做好了你的生日蛋糕，”里德夫人回答说。