[] one of several parts of which sth is made组成部分；部件◆the components of a machine机器部件◆one of the leading makers of components for cellphones手机部件的主要制造商之一◆Petroleum is a key component of their economy.石油是他们经济中的重要组成部分。⨁car / computer / vehicle components汽车／计算机／车辆部件⨁a component maker / manufacturer / supplier零部件制造商／生产商／供应商⨁an essential / a key / an important / a vital component (of sth)（某物的）基本／关键／重要／极重要的部件▸comˈponent
adjective
[] ◆to break sth down into its component parts把某物分为若干组成部分