Gallicin
没食子酸甲酯, 酸甲酯
🗣️ 情景例句
What do people usually do on that day?
在这一天，人们通常干什么？
She was flattered at the invitation.
她受到邀请，不胜荣幸。
Is this your first visit to our showroom.
您是第一次到我们展示室来的吧。