Mdc
abbr. maintenance data collection 维护数据收集; more developed country 更多发达国家
🗣️ 情景例句
They'll be at your door within a few minutes.
他们会尽快送到你的门口。
I haven't the slightest idea what you're talking about.
我一点也不知道你在说些什么。
We had it after school.
我们放学后开的。