1. 可数名词： 委任状，任官令，所受军衔
2. 可数名词： 委托，代办之事，任务
3. 可数名词： 委员会
4.[C,U] 佣金，回扣
5. 不可数名词： 干，犯
及物动词：
1. 委任，任命……为舰长
2. 委托制作
3. 使服役，开始使用（机器,装备等） 词形变化
- 形容词 commissional
- 时态 commissioned，commissioning，commissions
- 这两个名词均含“委员会”之意。
committee既用作普通名词，也用作集体名词，指通过选举或其它方式而成立的一般委员会。
commission指为了某项任务专门成立的委员会。
- charge with a task
- put into commission; equip for service; of ships
- place an order for
- a group of representatives or delegates
- a fee for services rendered based on a percentage of an amount received or collected or agreed to be paid (as distinguished from a salary)
- the state of being in good working order and ready for operation
- an official document issued by a government and conferring on the recipient the rank of an officer in the armed forces
- a formal statement of a command or injunction to do something
- a special group delegated to consider some matter
- a special assignment that is given to a person or group
- the act of committing a crime
- the act of granting authority to undertake certain functions