Hydrodesulfurization
[機] 加氫脫烴
??? 情景例句
There is no one here by that name.
這里沒有玲玲這個人。
How's your sister?
你的嫂嫂好嗎？
The children were at school, my husband was at work and the house was quiet.
孩子們在上學，我丈夫在上班，家里清靜得很。