hindexhydracid./hahy-dras-id/US // haɪˈdræs ɪd //UK // (haɪˈdræsɪd) //水瘤,水螅,水螅体,水螅状物Definitionsn.noun · 名词1.›an acid that does not contain oxygen, as hydrochloric acid, HCl.Level 5More words in h →