Preoxidation
预氧化
🗣️ 情景例句
Oh, Grandpa, I'm so happy to see you!
啊， 爷爷！ 见到您我真高兴。
If you attend the formal dancing party, what would you wear?
如果你参加隆重的舞会，你会穿什么衣服？
Such is human nature, that a great many people are often willing to sacrifice higher pay for the privilege of becoming white-collar workers.
许多人常常情愿放弃较高的薪水以换取做白领工人的殊荣，此乃人之常情。