measuring the explosive limit

例句：

1. 1. The engineer was measuring the temperature of the water.
   工程师正在测量水的温度。
2. 2. We need to measure the distance between two points accurately.
   我们需要准确地测量两点之间的距离。
3. 3. The teacher measured the height of the child before giving him a prize.
   老师在给孩子奖品之前测量了他的身高。