n. 电源, 网路, 干线
[电] 输电干线
n any very large body of (salt) water
n a principal pipe in a system that distributes water or gas or electricity or that collects sewage
词型变化:名词复数形式 : mainss

mains的用法和样例:

例句

  1. In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply.在电子学领域,一种不希望发生的低频电流,它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。
  2. My new house is not yet connected to the mains.我的新房子还没接上水、 电、 煤气呢。
  3. 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。
  4. The electricity supply has been cut off/disconnected at the mains.电力供应已在电源处截断。

词汇搭配

  • mains transformer电源变压器,馈电变压...
  • mains supply干线供电,市电电源,...
  • mains hold网路同步
  • mains side电源侧
  • mains receiver交劣收机,交流收音机...
  • mains voltage电源电压
  • mains ripple供电电压波动,电压脉...
  • mains hum电源交流哼声...
  • mains unit供电整流器
  • mains filter电源滤波器
  • mains switch电源开关,馈路开关...
  • mains frequency电源频率
  • all mains万能供电的
  • mains failure停电,电力网毁坏...
  • lighting mains照明网络,照蒙线...
  • electric mains电力网
  • power mains动力干线,供电网...
  • mains aerial电源线天线

ENGLISH MARATHON Host: Jeffery 1. heater, air-conditioning; 2. plug/ socket 3. hair drier, iron 4. power converter/adapter 5. There is something wrong with...

发表于:2018-12-26 / 阅读(104) / 评论(0) 分类 英语口语轻松学

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发表于:2018-12-29 / 阅读(61) / 评论(0) 分类 新视野大学英语:视听说教程 1
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