单词	圍頸之巾
释义	同CRAVAT
随便看	primary air pollutant primary air pressure control system primary air rate primary air ratio primary air separating primary air separating duct primary alcohol primary algebra primary alkalosis primary aluminium primary aluminum primary alveolar hypoventilation primary amenorrhea primary amine primary amine surfactant primary amplitude primary amputation primary and secondary matter primary and secondary non-disjunction primary and secondary non-disjunction (bridge 1916) primary anemia primary--anemia primary anesthesia primary anomaly primary antiserum anaphylaxis