Preoxidation
预氧化
🗣️ 情景例句
Sometimes, by buying something cheap now, you will be costing yourself more in the long run.
有时候你花了很少钱买了便宜货，但它日后可能要花掉更多的钱。
Which do you prefer, fishing or mountain-climbing?
钓鱼和登山，你更喜欢哪一个？
To see is to believe.
百闻不如一见。