Vdc
abbr. 志愿保卫队（Volunteer Defence Corps）；血管舒张中枢（Vasodilator Centre）；电压-数字变换器（Voltage-to-Digital Converter）
🗣️ 情景例句
We were married almost fifty years.
我们结婚将近五十年。
And to stay ahead of the competition is to openly and freely exchange our opinions.
处于竞争领先地位的方法就是公开、自由交换我们的想法
What are their jobs?
她们是做什么工作的？