Ditan
二苯基甲烷
🗣️ 情景例句
Do you think we should take down the decorations?
你觉得我们应当取掉这些装饰品吗？
Oh, it's a shame that you have to leave.
哦，真遗憾，你非走不可呀。
What day was it yesterday?
昨天是星期几？