recondite

adj. 深奥的，难解的

reclusive, recognise, recognition, recognizable, recognizable, recognisable, recognizably, recognisably, recognizance, recognisance, recognize, recognize, recognise, recoil, recollect, recollection, recombine, recommend, recommendable, recommendation, recompense, reconcilable, reconcile, reconciliation, recondition, reconnaissance, reconnoiter, reconnoitre (US reconnoiter), reconsider, reconsideration, reconstitute, reconstitution, reconstruct, reconstruction, reconvene, record, record player, record-breaker, record-breaking, record-holder, record-player, recorded delivery, recorder, recording,