mentimeter

例句：

1. 1. The ruler is marked in centimeters.
   尺子上标注着厘米。
2. 2. The distance between the two cities is about 50 kilometers.
   两座城市之间的距离大约是50公里。
3. 3. The engineer measured the length of the tunnel with a measuring tape.
   工程师用卷尺测量了隧道的长度。