Ditan
二苯基甲烷
🗣️ 情景例句
No. Thank you. I have a dinner date.
不 谢谢。我要去赴晚餐约会。
In secondary school, children get more advanced knowledge.
在中学，孩子们得到更高深的知识。
I only have small boxes.Do you want one?
我只有小盒的。您要一盒吗？