It's the main control switch. Make sure it's in the 'on' position.

这是总控制开关，确定它位于“开”的位置。

These circadian rhythms are the control switch that tells us when to feel sleepy or awake.

这些昼夜节律是控制开关，告诉我们何时感到困倦或清醒。

As we discussed last episode, transistors are really just little electrically controlled switches.

正如我们上一集所讨论的那样，晶体管实际上只是小型电控开关。

The new findings, published in the journal Science, show that phytochromes control genetic switches in response to temperature as well as light to dictate plant development.

发表在《科学》杂志上的新发现表明，光敏色素控制基因开关以响应温度和光来控制植物发育。

You want to be the one to lower the water level to 0, which means you need the water level to be at 1, 3, or 4 when control switches to you.

你想成为将水位降低到 0 的人，这意味着当控制切换到你时，你需要将水位设置为 1、3 或 4。