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
Haven't we met someplace before?
我们以前没见过面吗？
No safe wading in an unknown water.
未知水深浅，涉水有危险。
It was the first joy I had known for years.
我豁然开朗了。这是我多年来第一次感到高兴的事了。