Ditan
二苯基甲烷
🗣️ 情景例句
I have your bill right here.
您的账单在这里。
He surprised them, so they gave up quietly.
他出其不意地袭击了他们，因此他们乖乖地投降了。
We had some shoes like those a month ago,but we don't have any now.
一个月前我们有这要的鞋。但是现在没有了。