Difluoride
二氟化物
🗣️ 情景例句
May I ask for a wake-up call tomorrow morning?
明早我可以要求晨叫服务吗？
Do you live King Road?
你在皇帝路居住吗？
Though he was technically a prizefighter, Mendoza did much to change crude prizefighting into a sport,
虽然门多萨严格来讲不过是个职业拳击手，但在把这种粗野的拳击变成一种体育运动方面，他作出了重大贡献。