switch是什么意思？

switch

英[swɪtʃ] 美[swɪtʃ]

• n. 开关，转换，转换器，软鞭子，[信]接线台；
• vt.& vi. 转变，改变，转换，关闭电流，鞭打；
• vt. 转换，挥动（棍棒、鞭子等），迅速转动，鞭打；
• vi. 交换，调换；

复数：switches;

第三人称单数：switches;

过去式：switched;

过去分词：switched;

现在分词：switching;

例句

• The heater is on a timer switch. 加热器连在一个定时开关上。
• First you should switch the machine on. 你得先把机器打开。
• Switch that fellow off! 别让那个家伙再讲下去!
• The boys started to switch off after the first speech. 孩子们听完第一个人发言后就开始心不在焉了。
• He decided to switch tactics. 他决定改变策略。
• Don't switch the light. 不要开灯。
• We had to make a switch in our arrangements. 我们不得不对我们的安排作些变动。
• Where is the light switch? 电灯开关在哪儿?
• Benjamin fumbled for the light switch. 本杰明手忙脚乱地找电灯开关。
• The end of the wire had become accidentally fused with the switch. 电线末端意外地与开关接合在一起。

同义词

• vt.
  switch的同义词之：交换;替代
  swap, trade, shift, substitute, replace, exchange, turn, change,
  switch的同义词之：鞭打
  bang, whip, club, strap, beat, strike, paddle, thrash, spank, lash, pummel, slash, flog,
• switch的同义词之：其他释义
  pummel, layer, bang, flog, trade, commute, rod, paddle, turn, beat, spank, thrash, swap, strap, cane, replace, club, whip, exchange, change, lash, strike, shift, substitute, slash,

词组

• switch something off
  turn off an electrical device 关上电器
• switch something on
  turn on an electrical device 打开电器
• switch off 【非正式用语】
  To stop paying attention; lose interest. 不再注意；失去兴趣

英语四级真题

students can switch to different discussions at any point
出自-2013年6月阅读原文
Large companies have a difficult time switching into new markets because there is a temptation to put existing assets into the new businesses.
出自-2013年6月阅读原文
Why do large companies have difficulty switching to new markets
出自-2013年6月阅读原文

英语六级真题

I needed to switch my computer class to the 950 section.
出自-2014年6月听力原文
Many people now say the benefits of switching to vegetarian diet which excludes meat and fish.
出自-2013年6月听力原文
However, some nutritionists advise against switching to a totally strict vegetarian diet
出自-2013年6月听力原文

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  (电路的)开关，闸，转换器
  A switch is a small control for an electrical device which you use to turn the device on or off.
  例句
  Leona put some detergent into the dishwasher, shut the door and pressed the switch. 利昂娜将一些清洁剂放入洗碗机，关上门后按了开始键。 ...a light switch. 电灯开关
• VERB
  转换;改变;转变
  If you switch to something different, for example to a different system, task, or subject of conversation, you change to it from what you were doing or saying before.
  例句
  Estonia is switching to a market economy... 爱沙尼亚正在向市场经济转轨。 The law would encourage companies to switch from coal to cleaner fuels... 该法律将鼓励企业转而使用比煤更加清洁的能源。
• V-ERG
  转移(注意力);(注意力)转变
  If you switch your attention from one thing to another or if your attention switches, you stop paying attention to the first thing and start paying attention to the second.
  例句
  My mother's interest had switched to my health... 母亲转而关注起我的健康来。 As the era wore on, she switched her attention to films. 随着这个时代慢慢过去，她把目光投向了电影业。
• VERB
  交换;调换;对调
  If you switch two things, you replace one with the other.
  例句
  In half an hour, they'd switched the tags on every cable... 半个小时内，他们就给每根电缆都换了标签。 The ballot boxes have been switched. 投票箱被人调换了。

英汉词典释义

• n.
  开关
  Where is the light switch? 电灯开关在哪儿?
  改变, 转变
  We had to make a switch in our arrangements. 我们不得不对我们的安排作些变动。
  细枝条
  The boy made a switch from the branch of a cherry tree. 这个男孩用樱桃树枝做了一条鞭子。
• vt. & vi.
  转变, 改变
  The train was switching. 火车正在换道。 They kept switching meeting places. 他们不断改变碰面的地点。
• vt.
  转换
  He is always switching jobs. 他总是变换工作。 Don't switch the light. 不要开灯。
  鞭打；赶(牲畜等)
  He switched the boy with a cane. 他用手杖抽打那个小孩。
  挥动(棍棒、鞭子等)；甩动(尾巴等)
  The horse swithed its tail to drive the flies away. 马甩动尾巴以驱赶苍蝇。
  迅速转动，迅速移动；突然夺下
  He switched the book from my hand. 他突然夺去我手中的书。

英英词典释义

• Noun
  1. control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit
  2. an event in which one thing is substituted for another;
  "the replacement of lost blood by a transfusion of donor blood"
  3. hairpiece consisting of a tress of false hair; used by women to give shape to a coiffure
  4. railroad track having two movable rails and necessary connections; used to turn a train from one track to another or to store rolling stock
  5. a flexible implement used as an instrument of punishment
  6. a basketball maneuver; two defensive players shift assignments so that each guards the player usually guarded by the other
  7. the act of changing one thing or position for another;
  "his switch on abortion cost him the election"
• Verb
  1. change over, change around, or switch over
  2. exchange or give (something) in exchange for
  3. lay aside, abandon, or leave for another;
  "switch to a different brand of beer""She switched psychiatrists""The car changed lanes"
  4. make a shift in or exchange of;
  "First Joe led; then we switched"
  5. cause to go on or to be engaged or set in operation;
  "switch on the light""throw the lever"
  6. flog with or as if with a flexible rod
  7. reverse (a direction, attitude, or course of action)

行业词典

• 体育： 交换位置；防守换位；转换；开关；翻上；背攻；换新花色；
  土木工程： 转辙器；
  法律： 转手；
  物理学： 开关；
  电子学： 开关；
  电工： 开关；
  通信： 交换机；网络节点上话务承载装置、交换级、控制和信令设备以及其他功能单元的集合体。交换机能把用户线路、电信电路和（或）其他要互连的功能单元根据单个用户的请求连接起来。；
  铁道： 转辙器；