Measuring ruler

• 量尺

Measuring ruler的用法和样例：

例句

1. The men were carrying spades and measuring sticks.
   那些人拿着铁锹和量尺。
2. For example, when moving close to the velocity of light, measuring rules contract and clocks slow down.
   比如说，当移动速度接近光速时，量尺会缩短，时钟也会减慢。