结构推理 We can measure the amount of water in a pot, but we can't measure its heat. We don't have an instrument for that.
【正确答案】我们能够测量罐子里的水量，但不能测量其温度，我们没有这种仪器。
【答案解析】[翻译指导] 题目划线部分和前面主语一致，故翻译时可省略不译。