Pretreating
预加工, 初加工, 预处理
🗣️ 情景例句
Thank you.
谢谢 。
In college I majored in science, What was your major?
大学时我主修自然科学，你主修什么呢？
Where's her hat? Is it under her chair?
她的帽子在那里，是在她的椅子底下吗？