instrument
单词辨析：
指手工操作的简易工具或工作上有用的器具，也可指被人利用的人（此时含贬义）。
He reached out to grab the tool.
他伸手去拿工具。
This is a very handy tool for opening cans.
这是一种很简便的开罐头工具。
Language is a tool for communication.
语言是交流的工具。
The computer is a very useful tool.
计算机是一种非常有用的工具。
He made me the tool of his wicked deeds.
他使我成了他干罪恶勾当的工具。
指为完成某项任务所需的工具或器具，尤指用于户外体力活的工具。
writing implements
书写用具
The best implement for digging a garden is a spade.
在花园里挖土的最好工具是铁锹。
指科学、医学等工作用的小巧的器械、器具。
A scalpel is a surgical instrument.
手术刀是外科器械。
His department has introduced a new batch of scientific instruments.
他所在的部门引进了一批新的科学仪器。
The stethoscope is a medical instrument.
听诊器是一种医疗器械。
相关例句：
The instrument is beautifully made in brass.
这个仪器是用黄铜制成的，非常漂亮。
Money is an acquisitive instrument only when it is exchanged for some other economic good.
仅当货币交换其它经济财时，它才是一种营利工具。
They had failed to recognise signs on their instrument panel indicating a serious problem in the left engine.
他们没有意识到仪表板上的指示信号表明左引擎出现了严重问题。
Virtual instrument technology can improve flexibility and expansibility of test system.
利用虚拟仪器技术可提高测试系统的灵活性和可扩展性。
A pen is an instrument used in writing with ink.
钢笔是使用墨水的书写工具。
The president signed the instrument of abdication.
总统签署了退位的文告。