pvcs
📖 中文释义
- n. Public video conferring system 公用型会议电视系统
🧩 词形变化
原形 pvc
📘 English Definition（英文释义）
- n. a polymer of vinyl chloride used instead of rubber in electric cables
- n. irregularity of cardiac rhythm; recurrent occurrences can be a precursor of ventricular fibrillation