Alkide
烃基化物, 烷化物
🗣️ 情景例句
Ms Lin worked hard all year.
林小姐一年到头辛勤工作。
A fool attempting to be witty is an object of profoundest pity.
蠢人装聪明，实在最可怜。
How's Jimmy today?
吉米今天怎么样？