esoterica

/es-uh-ter-i-kuh/US // ˌɛs əˈtɛr ɪ kə //

易学,深奥学,神秘主义,深奥学说

Definitions

n.名词(复数) plural noun

1
- : things understood by or meant for a select few; recondite matters or items.
- : curiosa.