Desulphurisation
n. 脱硫作用, 除硫作用
🗣️ 情景例句
Tom gave Helen an apple in exchange for a piece of cake.
汤姆用一个苹果和海沦换一块蛋糕。
The snow will soon be deep enough to ski on.
雪将会很快就积到可以滑的深度了。
Then he put a piece of cheese in his pocket and went away.
然后把一块乳酪装进衣袋里走了。