If your smoke detector is working properly, the red light should be on.

如果你的烟雾探测器运作正常，红灯应当亮起。

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Do the following to ensure the safe operation of your smoke detector: if your smoke detector is working properly, the red light should be on.

为确保您的烟雾探测器的安全运行，请执行以下操作：如果烟雾探测器正常工作，则红灯常亮。

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The television isn't working properly.

这台电视机运作不正常。

《牛津词典》

What else might we want to see, to see if we got things working properly?

我们还希望看到什么呢，要看看我们的程序是不是正确运行的？

麻省理工公开课 - 计算机科学及编程导论课程节选

He can see that you could be a physicalist and say that the mind is dependent on the body, the mind is just a way of talking about what the body can do when it's working properly.

他能了解你能作为物理学家,说精神依靠肉体，说精神也就是说当身体运转,身体可以做些什么。

耶鲁公开课 - 死亡课程节选

So I tried running a program in this little black and white window called GCC and we'll see it today working properly that is a so called compiler.

在一个名为GCC的黑色小窗口里,运行我们的程序,然后得出想要的结果,这就是所谓的编译器。

哈佛公开课 - 计算机科学课程节选

The liquid-oxygen cylinder at the foot of the neatly made bed was filled and working properly.

NEWYORKER: Letting Go

We have hundreds of genes which, when working properly, keep healthy cells in check.

BBC: RELATED BBC SITES

Some Twitter and Facebook users expressed near-panic that the sites were not working properly.

CNN: Twitter hit by denial-of-service attack