They devised and conducted 11 experiments involving mice, buzzers and drops of sugar solution that were designed specifically for the purpose.

他们设计并进行了11项实验，实验用到了小鼠和专门为实验设计的蜂鸣器和糖液。

Before you start, print off the glass diagram from your study journal so that you can record which sugar solution is which.

在开始之前，请从你的研究日志中打印出玻璃杯图表，这样你就可以记录下哪个糖溶液是哪个。

But we're going to see which kind of conditions it likes best. And to do that, I'm going to make up a series of sugar solutions.

但我们要看看它最喜欢哪种条件。为了做到这一点，我准备了一系列的糖溶液。