[countable] an instrument that you hold in your hand and use for making things, repairing things, etc.工具◆a cutting tool切削工具◆a tool kit (= a set of tools in a box or bag) 工具箱◆power tools (= using electricity) 电动工具a thing that helps you to do a job or to achieve sth用具；器具；手段；方法◆research tools such as questionnaires问卷调查之类的研究方法◆The Internet has become a powerful business tool.互联网已成为强大的商业工具。⨁business / decision-making / management / marketing / sales tools商业／决策／管理／营销／销售工具 ⨁ an essential / a key / powerful / practical / usefultool基本／关键的／强大的／实用的／有用的工具 a computer program that performs a particular function（计算机）程序，工具◆The program comes with standard tools such as dictionary, spellchecker and thesaurus.这一程序配有词典、拼写检查和词库之类的常规工具。⨁design / desktop publishing / interactive / online / web-based tools设计／桌面出版／交互／在线／网上工具 ●the tools of your ˈtradethe things that you need to do your job吃饭家当；工作所需要的东西  ➡  idiom at down verb machine tool