Tetrabase
[医] 对对四甲基二氨基二苯甲烷
🗣️ 情景例句
I'm awfully sorry.
非常抱歉。
Have you marketed your product yet?
你们的产品尚未推出市场吗？
Many strange new means of transport have been developed in our century,
本世纪已研制出许多新奇的交通工具，