instrumentalities

例句：

1. 1. The engineers were busy installing the new instruments in the factory.
   工程师们忙于在工厂安装新的仪器。
2. 2.The research team used a variety of instruments to collect data.
   研究小组使用了各种仪器来收集数据。
3. 3.The scientist conducted experiments using various instruments.
   科学家使用各种仪器进行实验。