n. [解]卵巢，[植]子房；

int. （表示恐惧、惊讶、疑虑等）噢，啊，哎呀，冠于人名前，起呼语作用；

[例句] 'Had you seen the car before?' — 'Oh yes, it was always in the drive.'...

[例句] 'Would you like me to phone and explain the situation?' — 'Oh, would you?'...

adj. 椭圆形的，卵形的；n. 椭圆形，椭圆运动场（等），椭圆，美式足球用球，[物]卵形线；

[例句] He was a man in his late thirties, with fine, dark hair and a pale oval face.

[例句] ...the small oval framed picture of a little boy.

n. 占有人，居住者；

[例句] Most of the occupants had left before the fire broke out...

[例句] The filing cabinets had all gone with the previous occupants.

adj. 轨道的，眼窝的；

[例句] ...a new orbital road round Paris.

[例句] The newly discovered world followed an orbital path unlike that of any other planet.

n. 独创性，创造性，匠心，独到之处，新颖；

[例句] The original plan was to hold an indefinite stoppage...

[例句] The inhabitants have voted overwhelmingly to restore the city's original name of Chemnitz.

vt.& vi. 骨化，硬化，使僵化；

[例句] It reckons that rationing would ossify the farm industry...

[例句] British society tended to ossify and close ranks as the 1930s drew to their close.

vt. 偶然听到，无意中听到，偷听；vi. 无意中听到，偷听到；

[例句] I overheard two doctors discussing my case.

[例句] ...snatches of overheard conversation.

n. 郊外，市郊，郊区，从外围经过，边缘；

[例句] Hours later we reached the outskirts of New York.

adj. 眼睛的，适于眼睛的，用眼的，视觉的；n. 目镜；

[例句] Other ocular signs include involuntary rhythmic movement of the eyeball.

adj. （尤指动物）杂食性的，肉草兼食的，对任何事物均感兴趣的，什么书都看的；

[例句] Brown bears are omnivorous, eating anything that they can get their paws on.

[例句] As a child, Coleridge developed omnivorous reading habits.

adv. 起初，原来，独创地，独出心裁地，自来，本；

[例句] The plane has been kept in service far longer than originally intended...

[例句] France originally refused to sign the treaty...

adj. 过期的，延误的，迟到的，未兑的，早应完成的；

[例句] This debate is long overdue...

[例句] I'll go home and pay an overdue visit to my mother.

n. 软膏，药膏，油膏；

[例句] A range of ointments and creams is available for the treatment of eczema...

[例句] He received ointment for his flaking skin.

vt. 踏过，逾越，超出…的限度；

[例句] The Commission is sensitive to accusations that it is overstepping its authority...

[例句] In male company, perhaps he did overstep the bounds of propriety.

adv. 越过船边坠入水中；adj. 极其热心的，全身心投入的；

[例句] His sailing instructor fell overboard and drowned during a lesson...

[例句] He had jumped overboard in New York harbor and swum to shore.

n. [化]氧，氧气；

[例句] The human brain needs to be without oxygen for only four minutes before permanent damage occurs.

adj. 古怪的，奇异的，异国风味的，粗鲁笨拙；

[例句] They appeared at parties in outlandish clothes...

[例句] This idea is not as outlandish as it sounds.

n. （弯曲路面或轨道的）外道( outside的名词复数 )，（靠近路中央的）外侧，（建筑物等的）周围；

[例句] ...the outside of the building...

[例句] Cook over a fairly high heat until the outsides are browned.

adj. 好夸耀的，炫耀的，（态度）自负的，讲排场的，铺张的，外观美丽的，浮华的；

[例句] ...his house, which, however elaborate, is less ostentatious than the preserves of other Dallas tycoons.

[例句] ...an ostentatious wedding reception.