instrument /ˈɪnstrəmənt/ CET4 TEM4

• 1. 

  N-COUNT An instrument is a tool or device that is used to do a particular task, especially a scientific task. 器械

  例：

  ...instruments for cleaning and polishing teeth.

  …清洁和抛光牙齿的各种器械。

• 2. 

  N-COUNT A musical instrument is an object such as a piano, guitar, or flute, which you play in order to produce music. 乐器

  例：

  Learning a musical instrument introduces a child to an understanding of music.

  学习一种乐器能引导孩子对音乐有所了解。

• 3. 

  N-COUNT An instrument is a device that is used for making measurements of something such as speed, height, or sound, for example, on a ship or plane or in a car. 仪器

  例：

  The design of crucial instruments on the control panel will have to be improved.

  控制板上关键仪器的设计必须要改进。

• 4. 

  N-COUNT Something that is an instrument for achieving a particular aim is used by people to achieve that aim. 手段

  例：

  The veto has been a traditional instrument of diplomacy for centuries.

  数世纪以来，否决已经成为一种传统的外交手段。