Tetrabase
[医] 对对四甲基二氨基二苯甲烷
🗣️ 情景例句
How's the parade?
行怎么样
Be slow to promise and quick to perform.
不轻诺，诺必果。
We're going to meet here, outside the school gate, at two o'clock.
我们打算两点钟在校门外见面。