ventilation

n.通风，通风设备

vendor, veneer, venerability, venerable, venerate, veneration, venereal disease, venetian blind, vengeance, vengeful, vengefully, venial, venison, venom, venomous, venomously, venous, vent, ventilate, ventilated, ventilator, ventral, ventrally, ventricle, ventriloquism, ventriloquist, venture, venue, Venus, veracious, veracity, verandah, verb, verbal, verbatim, verbiage, verbose, verbosity, verdant, verdict,