Alkylene
亞烴基, 烯化, 烷撐
??? 情景例句
Oh, nothing special. I read, watch TV or go to movies.
哦，沒什么特別愛好。平時讀書、看電視或去看看電影。
The basketball championship is exciting.
那次籃球冠軍賽真激動人心。
What was the conference like?
這個會議怎么樣？