pendulum anemometer

例句：

1. 1. The anemometer was used to measure the wind speed at the site.
   这个摆锤风速计被用来测量现场的风速。
2. 2. The meteorologist used the anemometer to gather data for their forecast.
   气象学家使用这个摆锤风速计来收集数据，以便他们进行天气预报。
3. 3. The anemometer was a crucial tool in the study of atmospheric physics.
   摆锤风速计是大气物理研究中至关重要的工具。