听力文本

Recording 21
录音21
A. The thermometer on the end of the device allows us to measure changes in temperature.
A、装置尾部的温度计能让我们测量温度变化。
B. I had to use my calculator to work out the final figure and calculate how much profit we'd made.
B、我要用我的计算器来算出最后的数据和我们的利润。
C. We put the animals on to the scales to weigh them, and recorded their weight at the beginning and end of the experiment.
C、我们将动物放到天平上测量重量，记录下它们在实验开始和结束时的体重。
D. We attached a speedometer so that we could measure our speed and adjust it if necessary.
D、我们安装了一个速度计，所以我们就能测量我们的速度，并在必要时进行调整。