Formosul
[英]福莫苏, 雕白粉(甲醛化次硫酸氢钠)
🗣️ 情景例句
Oh, it was no trouble.
哦 没什么麻烦。
I wish you would write more clearly.
我希望你能写得明白些。
This question is too complicated for me.
这个问题对我说来太复杂了。