Diaminoditolyl
二甲基二氨基联苯
🗣️ 情景例句
Excuse me, May I have everyone's attention, please?
对不起，请大家听我说。
The best horse needs breaking,and the aptest child needs teaching.
最好的马儿要人驯，最伶俐的孩子要人训。
I don't like the model.
我不喜欢这种型号。