n.

1. （机器、设备等的）构成要素；零件；成分[C]
   A computer consists of thousands of components.

   电脑由成千上万个部件组成。

a.

1. 组成的；构成的
   component parts

   零组件

n.

1. a part or element of a larger whole, especially a part of a machine or vehicle.
2. Physics  each of two or more forces, velocities, or other vectors acting in different directions which are together equivalent to a given vector.

adj.