ventilator

n device or opening for ventilating a room, etc 通风设备; 通风口.

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