Heptalenium
并庚间三烯离子
🗣️ 情景例句
I don't have the heart to tell her.
我没有勇气告诉她。
Let's talk about something else.
让我们谈点别的什么吧。
Today is Thursday, September 10th, Teachers' Day.
今天是9月10日，星期四，教师节。