profundities
n.
深奥，深刻，深厚( profundity的名词复数 );
堂奥;
例句:
-
His work is full of profundities and asides concerning the human condition.
他的作品充满了有关人类境况的深邃见解和话外音。
-
Bessie's mind was not quite in tune with the profundities of that learned journal.
蓓西的头脑理解不了这本深奥的学术性杂志.