| 释义 |
switch
n
1
(a) device for completing or breaking an electric circuit （电路的）开关, 电门, 转换器, 闸: a light switch 灯的电门
press the on/off switch 按开关通电[断电]
a two-way switch, eg at the top and bottom of a staircase 双路开关（如楼梯上下两端的）.
(b) device at the junction of railway tracks to allow trains to go from one track to another （铁路的）道岔,转辙器.
(c) (US) = points (point1 18).
2 (also `switch-over) (infml 口) (esp sudden) shift or change （尤指突然的）转变, 改变
Polls showed a switch to Labour. 民意测验表明形势转而对工党有利.
a switch from gas to electric 由使用煤气改为使用电气
make a switch from publishing to teaching 由出版工作改做教学工作
a switch in method, policy, opinion 方法、 政策、 观点的改变.
3 thin flexible twig or shoot cut from a tree; tapering rod like this used for urging a horse, etc forward （从树上砍下的）细软枝条; （策马等用的）枝条状的鞭子.
4 piece of real or false hair for making a woman´s hair appear thicker or longer （女用）假发. switch, v
1 [I, Ipr, Ip, Tn, Tn.pr, Tn.p]
~ (sth) (over) (to sth) (cause sth to) shift or change, esp suddenly （使某事物）转变或改变（尤指突然）
switch to modern methods 改用现代方法
Many voters switched to Labour. 许多选举人改投工党的票.
Computers are everywhere now our firm is switching over soon. 计算机现已普及--我公司亦即将使用.
switch the conversation to a different topic 改变谈话的话题
Could you switch the TV over? 请你改换电视频道好吗?
2 [I, Ipr, Ip, Tn, Tn.pr, Tn.p]
~ (sth) (with sb/sth); ~ (sth) over/round (cause sb/sth to) exchange positions; change over （使某人[某事物]）交换位置; 转换
Our glasses have been switched this is mine. 咱们的玻璃杯对调了--这个是我的.
Husband and wife should switch roles (with each other) occasionally. 夫妻间应该偶尔（彼此）对调充当的角色.
You drive first and then we´ll switch round/over. 你先驾驶, 过一会儿咱们再换著开.
3 [Tn] whip or flick (a horse, etc) with a switch(3) 用鞭子等抽打（马等）.
4 [Tn.pr] move (a train, etc) onto another track 将（列车等）转入另一轨道
switch a train into a siding 把一列火车转入支线轨道.
5 (phr v) switch (sth) off disconnect (electricity, etc) 切断（电流等）
Switch off the gas, power, etc at the mains 切断煤气源、 电源等
Don´t switch (the TV) off yet. 暂时不要关掉（电视机）. switch (sb) off (infml 口) (cause sb to) become dull, bored, etc （使某人）感到乏味、 厌烦等
I switch off when he starts talking about cars. 他一谈起汽车我就厌烦.
Long lectures really switch me off. 我觉得冗长的演讲很烦人. switch (sth) on connect (electricity, etc or an appliance) 接通（电流等）; 开（用电器）
Switch on the light at the wall-socket. 把电灯接通在墙上的电源插座上.
Don´t switch (the radio) on yet. 暂时不要打开（收音机）.
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