arachnid

n.属于蜘蛛类的节肢动物

Aqualung, aquamarine, aquaplane, Aquarian, aquarium, Aquarius, aquatic, aquatint, aqueduct, aqueous, aquifer, aquiline, Arab, arabesque, Arabia, Arabian, Arabic, arabic numerals (also arabic figures), Arabist, arable, arbiter, arbitrarily, arbitrariness, arbitrary, arbitrate, arbitration, arbitrator, arboreal, arboretum, arbour (US arbor), arc, arc lamp, arc light, arc welding, arcade, arcane, arch, arch-, arch-enemy, archaeological,