Daba
[医][=3，5-diaminobenzoic acid]3，5-二氨基苯甲酸
🗣️ 情景例句
It's going to be a piece of cake.
这种事不费吹灰之力。
Nothing comes wrong to a hungry man.
饥不择食。
Traffic police are sometimes very polite.
交通警有时也很客气。