Mesonorm
中带标准矿物
🗣️ 情景例句
No. Would you mind?
不。你们不介意吧？
What do you do in your spare time?
闲暇时，你干些什么？
One man was told to fix up an air-line to provide compressed air for the machines they were using.
有个工人被派去安装"供气管"，给他们正在使用的机器提供压缩空气。