| 释义 |
main noun 2mains (BrE) supply of water, gas or electricity 输水、输气、输电MAINS + NOUN | PREPOSITION | PHRASES MAINS + NOUNelectricity, gas, water 电力／煤气／自来水供应系统◆an island without mains electricity没有通电的岛PREPOSITIONat the mains 在（水、电、煤气）源处◆Turn the water off at the mains.把自来水源关掉。on the mains 接通（水、电、煤气等）管线◆Some of the remoter houses in the town are not on the mains.镇里一些较偏远的住房还没通上水、电、煤气。PHRASESconnected to the mains 接通（水、电、煤气）管线◆The house is not yet connected to the mains.这所房屋尚未通水电。 |