Alkylene
亚烃基, 烯化, 烷撑
🗣️ 情景例句
Oh, without a doubt.
啊， 毫无问题。
I remember the girl whose father owns a pet shop.
我记得那个女孩的父亲有一家宠物店。
Could you direct me to the station, please?
请问到车站怎么走？