1、tool英[tu:l]美[tul]器具,工具;(有助於做工或完成某事的)用具;受人利用的人;壓印機。
2、例句。(1)He became the tool of the security services.他成了安全部門的工具。
(2)There is often an inverse relationship between the power of the tool and how easy it is to use. 工具的功能越強大,操作起來往往越費事。