量瓶

例句：

1. 1. We need to measure the amount of liquid accurately.
   我们需要准确测量液体的量。
2. 2. The chemist uses a graduated scale to measure the concentration of chemicals.
   化学家使用一个刻度尺来测量化学物质的浓度。
3. 3. The scientist carefully measured the temperature of the water before adding it to the mixture.
   科学家小心地测量了水的温度，然后将它加入到混合物中。