building implement

例句：

1. 1. The teacher used a variety of implements to explain the concept.
   老师使用各种工具来解释这个概念。
2. 2. The engineer designed an innovative implement for the project.
   工程师为该项目设计了一种创新的工具。
3. 3. The scientist used various implements to test the hypothesis.
   科学家使用各种工具来测试这个假设。