He had expended much time and energy on that experiment.

他已经花费许多时间、金钱在那实验上。

However, jealousy isn't a primary emotion, but a secondary one, which is more difficult to characterize experimentally.

然而，嫉妒不是主要的情绪，而是次要的情绪，这在实验上更难描述。

Any spare time that he had, he'd spend on mechanical experiments.

任何空闲时间，他都会花在机械实验上。

Let's try this on the guine a pig

我们在实验对象上试试这个吧。

The crew brought 25 science and biomedical experiments with them to carry out in orbit.

宇航员们带着25项和生物医实验在轨道上进行。

Forty-five healthy volunteers had a heating electrode placed on their skin to cause discomfort.

四十五个康的实验者在皮肤上放电极引起不适。

Physiologists ran tests, showing, proving scientifically the limit of human ability was running the mile in 4 minutes.

生理家进行实验在上展示证明人类能力极限是四分钟跑一英里。

And we've not found a way, either theoretically or experimentally, that HIV can evolve resistance to the hijacker.

我们还没有找到一种方法， 无论是在理论上还是在实验上，让 HIV 能够进化出对劫持者的抵抗力。

I say this because your work on the lab project was exemplary.

我这么说是因为你在实验室项目上的工作堪称典范。

And we saw many videos ago why that, at least experimentally makes sense, or why it intuitively makes sense.

我们之前看过很多视频，为什么这至少在实验上是有意义的，或者为什么它在直觉上是有意义的。

He had to stay in the laboratory for more than ten hours a day.

他不得不每天在实验室呆上十多个小时。

This afternoon, we had our chemistry class in the science lab.

今天下午，我们在实验室上化课。

Running experiments over the course of several decades is logistically challenging and expensive.

在几十年的过程中进行实验在逻辑上具有挑战性且成本高昂。

32p. m This afternoon, we had our chemistry class in the science lab.

32今天下午，我们在实验室上化课。

The full details—and gory pictures—are in the Journal of Experimental Biology.

完整的细节和血淋淋的图片都在实验生物杂志上。

32 p.m. annoyed This afternoon, we had our chemistry class in the science lab.

下午5点32分，我们生气 今天下午， 我们在实验室上化课。

But what about on human beings?

但是如果在人类上进行实验呢？

You may remember NASA JPL lost the Beagle 2 Mars Rover.

您可能记得太空总署和喷推实验室在火星上损失猎犬二号机器人。

When he was 10, Edison spent all his pocket money on things from his experiments.

10 岁时，爱迪生把所有的零花钱都花在实验的东西上。

Of course, such experiments need to be conducted in clinic, with the special equipment and statistics.

当然，这样的实验需要在临床上进行，有专门的设备和统计数据。