Desulphuration
除硫
🗣️ 情景例句
my brother Robbie,
我弟弟Robbie
Will you speak more slowly?
请你说慢一点好吗？
It is hard for energetic, quick-minded people to waste time,
他们常常受到责备，精力充沛、头脑敏捷的人极不愿意浪费时间，