Oxyquinolinic acid
[化] 2-羟吡啶-5,6-二羧酸
🧩 词语组成解析
🗣️ 情景例句
you need to work at it, Grandpa.
你得常练它， 爷爷。
A still tongue makes a wise head.
智者寡言。
What do you think I should do then?
那您认为我该怎么做呢？