profoundadj.深奥的；渊博的；极度的；意义深远的profound problem深刻的问题profound concept立意高远profound choices众多选择profound dyspnea肩息profound thought深刻的思想profound changes深刻的变化profound meaning意义深远profound mystery深奥难解的秘密profound culture深层文化profound learning渊博的学问