推荐回答（5个）
switch 开关，转换
I want to turn on the light, where is the switch?
我想要开电灯,请问开关在哪儿?
The light switch came away from the wall.
电灯开关从墙上掉了下来。
Our glasses have been switched, this is mine.
咱们的玻璃杯对调了，这个是我的。
拓展资料
开关电源专业英语词汇
1、母线:Busbar
2、输电线:TransmissionLine
3、发电厂:power plant
4、断路器:Breaker
5、刀闸(隔离开关):Isolator
6、分接头:tap
7、电动机:motor
8、有功:active power
9、无功:reactive power
10、电流:current
11、容量:capacity
12、电压:voltage
13、档位:tap position
14、有功损耗:reactive loss
15、无功损耗:active loss
16、功率因数:power-factor
17、功率:power
18、功角:power-angle
19、电压等级:voltage grade
20、空载损耗:no-load loss
21、铁损:iron loss
22、铜损:copper loss
23、空载电流:no-load current
24、阻抗:impedance
25、正序阻抗:positive sequence impedance
26、负序阻抗:negative sequence impedance
27、零序阻抗:zero sequence impedance
28、电阻:resistor
名词：switch
动词：turn on, turn off
希望能帮到你，
如有疑问， 可追问~
开关就是电键，在英文里叫switch。
在物理学上，电键通常被叫做“开关”，也就是switch，实际上，与开关不同的是，电键按下松开后会弹起，而平常意义上的开关按下是不能弹起的，在电路中按下会接合电路，松开断开。
电键是电学里的常见器件，普通的机械开关，按住就开，松手就关。在物理学中，电键经常等同于开关，符号为K。
元音字母i在重读闭音节中发短元音，发音时，舌端靠近下齿，舌前部抬高，舌位中高，不接触上颚，没有摩擦，牙床半合，唇形扁平，出现在字首、字中、字尾的位置。如：
lick 舔
six 六
bib 围嘴儿
pig 猪
pin 别针
kiss 亲吻
ink 墨水，墨汁
hill 丘陵，山丘
希望我能帮助你解疑释惑。
“电灯开关”switch
turn on 开
turn off 关
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