adj.不知足的；贪求无厌的
His thirst for knowledge is insatiable. 他对知识的渴求不会满足。
He had an insatiable love for music. 他对音乐爱得入迷。
He has an insatiable appetite for money and power. 他对金钱和权力欲壑难填。
She ridiculed his insatiable greed. 她嘲笑他的贪得无厌。
