take, hold, or deploy (something) as a means of accomplishing a purpose or achieving a result; employ.
she used her key to open the front door
同义词：
utilizemake use ofavail oneself ofemployworkoperatewieldplyapplymaneuvermanipulateput to useput into servicefind a use forresort toexerciseemployapplyexertbring into playpracticeimplementdraw on
2
take or consume (an amount) from a limited supply.
we have used all the available funds
3
describing an action or state of affairs that was done repeatedly or existed for a period in the past.
this road used to be a dirt track
4
be or become familiar with someone or something through experience.
she was used to getting what she wanted
5
one would like or benefit from.
I could use another cup of coffee
名词
1
the action of using something or the state of being used for a purpose.
