Tannigen
乙酰鞣酸
🗣️ 情景例句
Well, thanks a lot.
那，多谢了。
To worry about tomorrow is to be unhappy today.
担心明天，今天就不愉快了。
Let us get down to fundamentals and agree that the young are after all human beings -- people just like their elders.
承认青年人和他们的长辈一样也是人。