concurrent

adj.同时发生的

conclusive, conclusively, concoct, concoction, concomitant, concord, concordance, concordant, concordat, concourse, concrete, concrete mixer, concrete music, concrete poetry, concretely, concretion, concubine, concupiscence, concur, concurrence, concurrently, concuss, concussion, condemn, condemnation, condemned, condemned cell, condensation, condensation trail, condense, condensed, condenser, condescend, condescending, condescendingly, condescension, condign, condiment, condition, conditional,