她在黑暗的房间里摸索电灯开关。
这个开关控制着每分钟的转数。
我得在黑暗中摸索寻找电灯开关。
从你坐的地方够得着灯的开关吗？
你打开开关，把磁盘推进去就行了！
他啪的一声按了下开关，灯全熄了。
我面对着一排旋钮、控制杆和开关。
I was confronted with an array of knobs, levers, and switches.
这些开关可接通形成闭合电路。
我按哪个开关就能把它关了？
暖气靠定时开关自动供热。
前窗的开关安装在仪表板上，使用不便。
The front window switches are awkwardly placed on the dashboard.
最要紧的是记住关掉防盗报警器的开关。
The main thing to remember is to switch off the burglar alarm.
齐默把手伸到控制台上并按下了切换开关。
Zimmer reached down on his console and flipped a toggle switch.
对讲机嗡嗡地响起来，他按下了相应的开关。
The intercom buzzed and he pressed down the appropriate switch.
她摸黑找电灯开关。
She was fumbling around in the dark looking for the light switch.
那是在过去，还没有到开关一响就有电的时代。
That was in the days before electricity was available at the flick of a switch.
他一把抓起听筒，空着的手则摸索着找床头灯的开关。
He snatched up the receiver and his free hand groped for the switch on the bedside lamp.
电源开关的工作原理是让电流脉冲穿过触点和触面之间。
The switch works by passing a pulse of current between the tip and the surface.
利昂娜在洗碗机里放了些清洁剂，关上门，然后按下开关。
Leona put some detergent into the dishwasher, shut the door, and pressed the switch.
这台洗衣机的开关有问题，不能用了。
The washing machine would not work because of a defect in the switch.
这里还有关于所有按钮和开关功能的说明。
There are also instructions about the function of all the buttons and switches.
遗憾的是，这么小的电子开关无法承受强烈的辐射。
Unfortunately, electronic switches that are this small cannot withstand intense radiation.
我们正在研究基因启动器以及什么会是它们的主开关。
We're looking at gene promoters and what would be their master switch.
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