oracle
oracle/ˈɔrəkl/n. [c]传神谕者，神使；圣贤，圣人：In times of difficulty, she pray for an oracle to guide her.在困难的时候，她祈祷神谕来指引她。All the tickets for the concert had···
oral
oral/ˈɔ:rəl/adj.口头的(= spoken)，口的：an oral examination口试；the oral method口头教授法；give an oral report作口头汇报；oral surgery口腔外科
orange
orange/ˈɔrindʒ/ I.n.［c］橘子，橙：Oranges are produced in warm regions.橘子产在温暖的地区。Would you like a piece of orange?你吃瓣橘子好吗? ‖II.adj.橙色的(没有比较级)：Is your···
orbit
orbit/ˈɔ:bit/ I.n.［c］轨道：the earth’s orbit around the sun地球绕太阳旋转的轨道；the lunar orbit月球的轨道；put a man-made earth satellite into orbit把人造地球卫星送入轨道‖II···
orchard
orchard/ˈɔ:tʃəd/n.［c］果园：apple orchard苹果园My orchard is bearing well this year.今年我的果园果实累累。
orchestra
orchestra/ˈɔ:kistrə/n.［c］管弦乐队：a dance orchestra舞蹈乐队；a string orchestra弦乐队The orchestra played a Mozart symphony.管弦乐队演奏了一部莫扎特的交响乐。
ordeal
ordeal/ɔ:ˈdi:l/n.［c］严酷的考验，苦难的经历：dreadful/terrible/terrifying ordeal痛苦的折磨/可怕的磨难Being lost in the wilderness for a week was an ordeal for me.在荒野里迷路一星···
order/orderly
order/ˈɔ:də/ I.vt.1.命令，吩咐（跟名词、从句和带不定式、介词短语或副词的复合结构）：The Chairman ordered silence.主席要大家安静。He ordered that we (should) march on that night.···
ordinary
ordinary/ˈɔ:dinəri/adj.1.普通的，一般的，平常的：an ordinary man普通常人；a piece of ordinary dance music一首普通的舞曲［考句］Free medical treatment in this country covers sick···
