Desulphurisation
n. 脱硫作用, 除硫作用
🗣️ 情景例句
But I'm still a little worried about you, Ellen.
但我还是有点牵挂着你， Ellen。
First of all, I want to thank you all for coming to this party.
首先，我人感谢各位出度这次晚会。
I was thinking about Thursday?
我看星期四怎样？