mains 📖 中文释义 n. 电源, 网路, 干线[电] 输电干线 🔗 释义中的汉语词 电源网路干线 📘 English Definition(英文释义) n any very large body of (salt) watern a principal pipe in a system that distributes water or gas or electricity or that collects sewage ← mainprising M 字母词表 mains switch →