| 单词 | the mains | 
| 释义 | the mainsthe main distribution network for water, gas, or electricity  the mainsthe place where the supply of water, electricity, or gas enters a building  If you're given warning of a flood, turn off the electricity, gas, and water at themains. the mainsthe point in a wall where you can connect electrical equipment to the power supply  Make sure plugs are disconnected from the mains.  | 
	
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