Anthion
[化] 过二硫酸钾
🗣️ 情景例句
I can't believe it!
我简直不敢相信！
What are you so excited about?
什么事让你如此兴奋？
We've seen several members of the family since we arrived my grandfather and my aunt and uncle.
自我们回来以后已经见到了好几个家庭成员祖父、姑姑和叔叔。