Pentacosane
二十五(碳)烷
🗣️ 情景例句
May I see you in my office?
你可以到我的办公室来一下么？
Whom will you invite to the picnic?
你将邀请谁参加野餐？
Carbonated drinks are acidic, and slightly safer.
碳酸饮料是酸性的，就更安全一些。