評論
打印
David, you're a scientist at the sleep laboratory.
大衛，你是睡眠實驗室的科學家吧。
Yes, I am.
是的，我是。
Why do you study sleep?
你為什么研究睡眠？
Because sleep is important. In some jobs, people work a lot of hours.
因為睡眠很重要。對于某些工作，人們要工作很長時間。
For example, police officers often work 12 hours. They are tired at work.
例如，警察經常工作12小時，工作讓他們很疲憊。
They can't sleep. We can help people.
他們無法睡著，我們可以幫助人們。
But we don't understand sleep well.
但是我們不太了解睡眠。
Okay, and how do you study sleep?
好吧，你們怎么研究睡眠？
People come to our laboratory. They sleep and we watch them.
人們來到我們的實驗室，他們睡覺，我們觀察他們。
Do you do experiments?
你們做實驗嗎？
Yes, we do. For example, we change the light.
是的，我們做。例如，我們改變燈光。
We use different colours of light, blue light and red light.
我們使用不同顏色的光，藍光和紅光。
And what are the results with different colours?
不同顏色會有什么結果？
Well, red light usually wakes people up.
嗯，紅燈通常會讓人醒來。
So, is blue light good for tired people at work?
那么，藍光對工作疲勞的人有好處嗎？
Possibly, we aren't sure. We don't understand how it works.
可能，我們不確定，我們不明白它是如何運作的。
Okay, David, thank you very much.
好吧，大衛，非常感謝。
You're welcome.
不客氣。
