Vocabulary Index
Browse 1,965 words organized by letter and difficulty
Difficulty Level
Showing 60 of 1,965 words
O
observe观察,遵守,观察一下,观测observer观察者,观察员,观察家,观测者obsess痴迷,迷恋,执迷不悟,沉迷obsessed痴迷,痴迷的,痴迷的人,迷恋obsession痴迷,迷恋,执着,执著obsessive强迫性,强迫性的,强迫症,执着...obsessive-compulsive强迫症,强迫症患者,强迫症患者...obsidian黑曜石,黑曜岩,黑宝石,黑石obsolesce过时,陈旧的,陈旧,陈旧过时obsolescence过时,过时性,陈旧过时,陈旧的obsolescent过时的,过时,陈旧的,陈旧obsolete陈旧的,陈旧,陈旧过时,陈旧过...obstacle障碍物,障碍,绊脚石,阻碍obstetric产科,妇产科,妇产obstetrician产科医生,妇产科医生,产科医师...obstetrics产科,妇产科,妇产科学,妇科obstinacy犟脾气,犟劲,犟劲儿,顽固性obstinate倔强,倔强的,顽固的,顽固obstipation便秘,梗阻,梗塞,阻塞obstreperous顽固不化,蛮横无理,桀骜不驯,...obstruct阻挠,阻挡,阻碍,妨碍obstruction阻挠,阻塞,阻碍,障碍物obstructionist阻挠者,阻挠,阻挠性,阻碍者obstruent阻挠性的,阻挠性,阻挠,阻碍性...obtain获得,取得,获得了,获得的obtect肥胖症,肥胖,肥胖者,肥胖的人obtest测试,检验,测试结果,检验报告obtrude碍手碍脚,碍手碍脚的,碍于情面...obtrusion妨碍,碍眼,碍手碍脚,碍事obtrusive碍眼的,碍手碍脚,碍事的,碍眼obtund钝的,钝化,钝器,肥胖obturate钝化,钝化的,钝的,圆钝的obtuse迟钝的,钝的,迟钝,愚钝的obumbrant顺口溜,肥胖者,肥胖的人,顺口...obumbrate肥胖者,肥胖的人,肥胖症,肥胖...obv隐约可见,隐含,隐含的,隐蔽性obverse正面,正面的,正面的例子obversion厌恶,厌恶感,厌恶症,厌恶性obvert颠倒,颠倒黑白,颠倒是非,颠倒...obviate免除,减轻,缓和,缓解obvious显而易见,明显的,明显,显而易...obvolute明显的,明确的,明显地,明显oca奥卡,赭石ocarina笛子,笛声,陶笛,埙occasion机会,场合,时机,偶尔occasional偶然的,偶尔的,偶尔,偶然occasionalism偶发主义,偶然性,偶发性,偶发...occasionally偶尔,偶而,偶尔的,偶尔也会occidental西方人,西方,欧美,欧美国家occipital枕部,顶叶,枕部的,枕骨occiput枕部,枕骨,枕头,枕木occlude闭塞,堵塞,封闭,遮蔽occlusion闭塞,堵塞,闭塞现象,闭塞症occlusive闭塞性,闭塞性的,闭塞的,闭塞occult玄学,非自然,隐秘,玄秘occultation掩星,掩蔽,隐没,掩星术occultism玄学,神秘主义,神秘学,奥秘主...occupancy占用,占用率,占有率,占用空间occupant居住者,住户,占用者,占用人occupation职业,占领,占据,占用