arcane

adj. 神秘的，秘密的.

Arabic, arabic numerals (also arabic figures), Arabist, arable, arachnid, arbiter, arbitrarily, arbitrariness, arbitrary, arbitrate, arbitration, arbitrator, arboreal, arboretum, arbour (US arbor), arc, arc lamp, arc light, arc welding, arcade, arch, arch-, arch-enemy, archaeological, archaeologist, archaeology, archaic, archaism, archangel, archbishop, archbishopric, archdeacon, archdeaconry, archdiocese, archduke, archer, archery, archetypal, archetypally, archetype,