n.深奥；深刻；深厚；渊博
This is the profundity of our world. 这正是我们世界的深奥之处。
This response of the school-boy lies at the bottom of all spurious profundity. 小学生的这种反应是一切貌似深奥的东西的起因。
He impressed his audience by the profundity of his knowledge. 他知识渊博给听众留下了深刻的印象。
