spent
verb uk/spent/ us/spent/
（spend的过去式及过去分词）
past simple and past participle of spend
spent
adjective uk/spent/ us/spent/
用尽的;失效的
Something that is spent has been used so that it no longer has any power or effectiveness.
spent bullets/matches 乏弹／用过的火柴
After several defeats in a row, people are starting to say that the team is a spent force. 球队经历了一连串的失利之后，人们开始认为他们已雄风不再。
literary疲惫的
tired
We arrived home spent after our long journey. 长途旅行之后，我们回到家时已疲惫不堪。