This scientific experiment requires the experimenter to have professional knowledge.

这个科学实验要求实验者具备专业知识。

Most experimenters have received special training.

大部分实验者都接受了专门的训练。

The experimenters of this new method are respected by everyone.

这种新方法的尝试者得到了大家的尊重。

The experimenter is back there with the speed knob and at random intervals, he just speeds up the tape of their heart and then slows it down.

实验者带着速度旋钮回到那里，在随机的时间间隔里，他只是给他们的心跳录音带加速，然后再减速。

She was an inveterate experimenter in these things.

在这些东西上，她总是要都拿来试一试。

To train a rat, the experimenter placed it in an operant conditioning chamber: a small plastic box with a lever at one end.

为了训练小鼠，实验人员把它放在一个操作性条件反射室：一个一端置有操作杆的塑料箱。

The experimenter said "Look at my toy!"

试验者对孩子说：“看看我的玩具！”

You get the phone number of the experimenter.

你会得到实验者的号码。