Anthion
[化] 过二硫酸钾
🗣️ 情景例句
I remember when I used to be a Girl Scout.
我记得我还是一名女童子军的时候。
He's a cook.
他是厨师。
'You certainly did give me a surprise!' said the vicar.
“你确实使我大吃了一惊！”牧师说，