Tannisol
[医] 亚甲二鞣酸
🗣️ 情景例句
What are you working on?
你在干什么？
A little child is the sweetest and purest thing in the world.
幼儿是世界上最可爱和最纯洁的。
All at once, I noticed that my wife seemed to be filled with alarm.
突然，我注意到妻子十分惊恐。