measure function

例句：

1. 1. The engineer measured the lengthof the bridge before it was built.
   工程师在桥梁建造之前测量了其长度。
2. 2.We need to measure the amount of waterwe will need for the project.
   我们需要测量项目所需的水量。
3. 3. The teacher measured the heightof the students by using a ruler.
   老师用尺子测量了学生们的高度。