Naphthosalol
水杨酸β-萘基酯
🗣️ 情景例句
Six words.
六个字。
Excitement and happiness, and we are deeply grateful to you for that.
也有开心、兴奋和愉快的时候，我们衷心感谢大家所做的一切。
You are never too old to learn.
活到老，学到老。