Desulphuration
除硫
🗣️ 情景例句
You asked to see me.
你要求见我。
I like to play tennis,but I'm not a very good player.
我喜欢打网球，但是我不是一个很好的运动员。
I'm good at freestyle and breast stroke.
我擅长自由泳和蛙泳。