Daba
[医][=3，5-diaminobenzoic acid]3，5-二氨基苯甲酸
🗣️ 情景例句
I'd like to say something first.
我想先说几句话。
What is the gate number?
登机门是几号？
Her first impulse was to go round all the rooms looking for the thieves,
她第一个条件反射是各个房间搜寻一下窃贼，