Vocabulary Index
Browse 1,965 words organized by letter and difficulty
Difficulty Level
Showing 60 of 1,965 words
O
oronasal鼻音,鼻烟壶,鼻炎,鼻腔oropendola卵巢癌,卵巢囊肿,卵石,卵巢瘤oropharynx口咽部,口咽,口鼻,口腔orotund兽性大发,兽皮,兽类,兽性orphan孤儿,遗孤,孤家寡人,鳏夫orphanage孤儿院,育幼院,育儿院,福利院orphrey奥弗里,蚜虫,孤儿院orpiment雌性激素,雌激素,雌黄,雌性化...orpine奥平,松树,松木,松树皮orra兽人,兽性,兽皮,兽类orrery珊瑚礁,珊瑚岛,红宝石,珊瑚orris奥里斯,奥瑞斯,奥利斯orrisroot鸢尾花根,鸢尾根,鸢尾树根,鸢...ort或,橙色,橙色的orthicon正字型,正字形,正字头,正字型...ortho矫形器,矫治器,矫形外科,矫形...orthocenter正中心,正中点,正中,正中线orthocephalic矫形器,矫形,矫形外科,矫形器...orthochromatic正色的,正色系,正色,正色系的orthoclase正长晶石,正晶石,正长石,正长...orthoclastic矫形器,正统的,矫形器类,正统...ortho-cousin直系亲属,直系表亲,正表哥,直...ortho-dichlorobenzene正二氯苯,正二氯乙苯,正二氯化...orthodontia矫形器,牙齿矫正,矫正,矫治orthodontics牙齿矫正学,牙齿矫正,牙齿矫正...orthodonture矫形器,矫治器,矫治,矫齿orthodox正统的,正统,正统派,正统主义orthodoxy正统性,正统主义,正统观念,正...orthoepy矫形器,矫味剂,矫形外科,矫治orthoformate正畸,原甲酸酯,原甲酸盐,原甲...orthogenesis正体发生学,正体生成,正字法,...orthogenetic正统的,正统派,正源性,正统派...orthogenic正源性,正源性的,正生的,正生orthognathous正统的,正畸,正字型,正字形orthogonal正交,正交的,正统的,正向orthogonalize正交,正交化,正统化,矫枉过正orthographer正字法学家,正字法师,正字法家...orthographic正字法,正字形,正字型,正字法...orthographize正字法,正字,正音,正文orthography正字法,拼写法,正字法学,拼写...orthohydrogen正氢,正氢气,正氢酸,正氢物orthokeratology角膜矫形术,角膜矫治术,角膜接...orthomolecular正分子,正分子疗法,正分子药物...orthonormal正态,正则,正统的,正态的orthopedic矫形外科,矫形,矫形器,矫型orthopedics骨科,骨骨科,矫形外科,骨外科orthophosphate正磷酸盐,正磷酸盐类,正磷酸酯...orthophyric正统的,正体,正体的,正体字orthopnea矫形器,正音,矫形术,矫治orthopod正统的,正体,正统的人,直角器orthopraxia矫形器,矫形术,矫形障碍,矫形...orthopraxy正统派,正统的,正统性,矫形器orthopsychiatry精神病学,矫形外科,矫治学,骨...orthopteran直升机类,直升机人,直升机,正...orthopteron直升机,正统派,正直的人,正统...orthopterous直升机,直升式,直升机式,直通...orthoptic正视,正视听,正统的,矫形器orthoptics矫正学,矫形学,矫形术,矫形器orthorexia正食症,厌食症,正食主义,正规...orthorhombic正菱形,直角形,正菱形的,正方...