Desulphuration
除硫
🗣️ 情景例句
That's just what I need!
真是怕什么来什么！（反话，用嘲讽的语气。）
They describe how each process goes on to the next.
表述着每道工艺间的衔接情况。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。