n.[C]

1. 仪器；器具，器械
   The dentist picked up several instruments.

   那牙科医生把一些器械收拾好。

2. 乐器
3. 手段，工具；促成某事的东西
   Language is an instrument for communication.

   语言是交际的手段。

4. 【律】文书

n.

1. a tool or implement, especially for precision work.
2. a measuring device, especially in a vehicle or aircraft.
3. (also musical instrument) a device for producing musical sounds.
4. a means of pursuing an aim.
5. a person who is made use of.
6. a formal or legal document.

v.