Picolinic acid
[建] 啶甲酸-[2]
🧩 词语组成解析
🗣️ 情景例句
Well, Robbie was eight pounds two ounces,
嗯 ，Robbie生下来八磅二盎司，
I'd like to reconfirm my flight from london to tokyo.
我要再确认一下我从伦敦到东京的班机。
We have a showroom in this city.
我们在本市设有一个展示中心。