recondite

recondite
[ˈrɛk(ə)ndʌɪt, rɪˈkɒn-]
adjective
  1. (of a subject or knowledge) little known; abstruse
    (学科,知识)玄妙的;艰深的,深奥的
    the book is full of recondite information.
    书中充满深奥难懂的知识。
派生
reconditely
adverb
reconditeness
noun
语源
  1. mid 17th cent.: from Latin reconditus 'hidden, put away', past participle of recondere, from re- 'back' + condere 'put together, secrete'
英语宝典
考试词汇表