Pregl's solution
[医] 普雷格耳氏碘溶液
🧩 词语组成解析
🗣️ 情景例句
But please call first.
不过，请你先打电话。
Reason rules all things.
情理管万事。
Long ago, people believed that the world was flat.
很久以前人们相信地球是平的。