Phenazopyridine
苯基偶氮吡啶二胺，非那吡啶
🗣️ 情景例句
He studied harder to improve his English.
他更加努力提高英语水平。
There are one hundred pennies in every dollar.
每美元是一百美分。
I want to improve, but I don't know how.
我想提高它，但又不知道怎么样才能提高。