Syntannin
[化]合成单宁
🗣️ 情景例句
Hi, Dad. Everything's fine.
嗨 ，爸爸。一切都好。
A clear fast is better than a dirty breakfast.
宁为清贫，不为浊富。
Sam and I had lunch together today. We went to a restaurant.
我和萨姆今天一起吃的午饭。我们去了一家饭店。