量度器

例句：

1. 1. The engineer used a ruler to measure the length of the wall.
   工程师用尺子测量墙的长度。
2. 2. The doctor measured her blood pressure before prescribing medication.
   医生在开药前先测量了她的血压。
3. 3. The scientist used a caliper to measure the diameter of the pipe.
   科学家用卡尺测量了管道的直径。