to drink liquid so that you stop being thirsty解渴
When it's hot, it's best to quench your thirst with water.大热天最好喝水解渴。
literary to use water to put out a fire扑灭,熄灭
The flames were quenched by heavy rain.大雨浇灭了熊熊燃烧的大火。
to satisfy a need or wish满足
Her thirst for knowledge will never be quenched.她的求知欲是永无止境的。