Planox
(=plane oxidation)平面氧化
🗣️ 情景例句
Men and women, young and old, to give us their time.
不管男女老幼 ，请他们贡献时间。
To save time is to lengthen life.
省节时间就是延长寿命。
The man said that the pen was worth $50,
那人说那支笔值50英镑，