mains

英 [meɪnz] 美 [meɪnz]

n.  (通往建筑物的)主管道，总管，输电干线; (建筑物的)污水总管道; 水源; 煤气源; 电源; (水、煤气、电等的)供应系统; 下水道系统
main的复数

电力

BNC.6217

柯林斯词典

  1. ADJ 主要的;最重要的
    The main thing is the most important one of several similar things in a particular situation.
    1. ...one of the main tourist areas of Amsterdam...
      阿姆斯特丹的主要旅游区之一
    2. My main concern now is to protect the children...
      我现在最关心的就是要保护好孩子们。
    3. What are the main differences and similarities between them?
      他们之间主要的异同点是什么？
  2. PHRASE 大体上;基本上
    If you say that something is true in the main, you mean that it is generally true, although there may be exceptions.
    1. Tourists are, in the main, sympathetic people...
      大体说来，游客们都富有同情心。
    2. In the main, children are taboo in the workplace.
      工作场所基本上禁止儿童进入。
  3. N-COUNT (室内煤气、自来水或污水的)总管道，主管道
    The mains are the pipes which supply gas or water to buildings, or which take sewage away from them.
    1. ...the water supply from the mains...
      总管道的自来水供应
    2. The capital has been without mains water since Wednesday night.
      从周三晚上开始，首都就停水了。
  4. N-PLURAL 电力线;电源
    The mains are the wires which supply electricity to buildings, or the place where the wires end inside the building.
    1. ...amplifiers which plug into the mains...
      接通电源的扩音器
    2. Make sure plugs are disconnected from the mains...
      确保插头与电源断开。
    3. It is mains or battery powered.
      它是由电源或者电池供电的。
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双语例句

  1. The capital has been without mains water since Wednesday night.
    从周三晚上开始，首都就停水了。
  2. Make sure plugs are disconnected from the mains
    确保插头与电源断开。
  3. It is mains or battery powered.
    它是由电源或者电池供电的。
  4. The Auto Compact Disc Cleaner can run off batteries or mains.
    这种光盘自动清洗机可用电池或电源两种方式驱动。
  5. They plug into the mains
    它们接到了干线上。
  6. He is using your mains electricity to recharge his car battery.
    他在用你家里的电源给他的车载蓄电池充电。
  7. Water flushed through the mains.
    水在总管道中奔流。
  8. Water is supplied from the mains.
    水是从总管道来的。
  9. The lights have been put in, but are not connected to the mains yet.
    电灯安好了，可还没接火儿呢。
  10. I turned the gas off at the mains before I went out.
    我出门之前，把煤气的总阀关掉了。
  11. Know how to turn off your gas and water mains.
    知道如何关闭煤气和水管的总开关。
  12. I can run my electric razor off ( ie with power from) the mains.
    我的电动剃刀可以使用交流电。
  13. Appliances intended to be permanently connected to the water mains shall not be connected by a detachable hose-set.
    打算永久连接到水源的器具不应使用可拆卸软管装置。
  14. Flexibility and reduced stock holdings cause problems when different mains supply plugs are required for different markets.
    当不同的市场需要不同的主控电源插座的时候，灵活性和减少存货两者之间可能会出现矛盾。
  15. Every repeater unit is supplied with a mains power supply unit with a1.9 metre cable.
    每个中继器都配备了一主电源的1.9米电缆供电单元。
  16. Chief Engineer: Yes, the fire mains have been standby.
    轮机长：是的，主灭火系统已经准备好了。
  17. They bought a house with no mains supply.
    他们买了一套不接管道设施的房子。
  18. In most cases it is derived from the AC mains by means of a transformer and rectifier.
    大多数情况下直流电是从交流电通过变压器和整流器而来的。
  19. A pipe with a valve and spout at which water may be drawn from the mains of waterworks.
    一种具有阀门和喷管的水可从自来水厂牵引到此的管子。
  20. It's probably mains dependent and he's forgotten we don't have electricity.
    他可能忘记了，我们并没有电。
  21. NEVER connect switching cards directly to AC mains, the level of power supplied by an electric utility company.
    请勿将开关卡直接连接到交流电源、由某个电力公司提供的功率水平。
  22. Check that the operating voltage and frequency settings are correct for the mains power supply at the installation site.
    检查UPS安装场所的主供电电源工作电压和频率设置是否正确。
  23. Adequate illumination shall be provided with a back-up lighting system independent of the mains power supply.
    要有灯光系统提供照明。还需要有一个非备用的供电设备。
  24. Una: So that means this area is without mains water, electricity, gas and sewage disposal.
    巫娜：那是说，整个地区没有总管输送的水、、气和污水处理。
  25. My new house is not yet connected to the mains.
    我的新房子还没接上水、电、煤气呢。
  26. The radio we have at home plugs into the mains.
    我们家中的无线电通过插头与电源相接。
  27. Electrical fittings wired up to the mains.
    接在电源上的电器装置。
  28. My laptop can run off the mains or a battery.
    我的手提电脑可以用电源，也可以用电池。
  29. Connect with the mains to start dynamo;
    接上电源，启动电机；
  30. Drew: One of the biggest is that mains services have been completely disrupted.
    德鲁：最大的一个问题，是总管输送的水电等完全中断。
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