catalasometer

例句：

1. 1. The engineer used a catalasometer to measure the length of the pipe.
   工程师使用一个量筒来测量管道的长度。
2. 2. The teacher asked the students to use their catalasometers to measure the width of the room.
   老师要求学生们使用他们的量筒来测量房间的宽度。
3. 3. The scientist used a catalasometer to measure the density of the liquid.
   科学家使用一个量筒来测量液体的密度。