n. 肥胖，过胖，肥胖症；

[例句] The tendency to become obese is at least in part hereditary...

[例句] Obese people tend to have higher blood pressure than lean people.

n. 富裕，富饶；

[例句] ...an opulent office on Wimpole Street in London's West End.

[例句] Most of the cash went on supporting his opulent lifestyle.

adv. 口头地，口述地，口服地；

[例句] ...the written and oral traditions of ancient cultures.

[例句] ...an oral agreement.

n. （尤指电力的）断供期，断供；

[例句] A windstorm in Washington is causing power outages throughout the region.

adj. 万分高兴的，欣喜若狂的；v. 使大喜( overjoy的过去式和过去分词 )；

[例句] Shelley was overjoyed to see me...

[例句] He was overjoyed at his son's return.

adj. 最外面的，离中心最远的；

[例句] ...the outermost corners of each room.

[例句] ...Neptune, the outermost known planet.

n. 旁观者，目击者，观众（等于spectator）；

[例句] A handful of onlookers stand in the field watching.

adj. 直言的，坦率的，毫无保留的，心急口快；

[例句] Some church leaders have been outspoken in their support for political reform in Kenya...

[例句] He was an outspoken critic of apartheid.

n. 热烈欢迎，热烈的鼓掌，欢

[例句] They had lost by a wide margin, but their supporters gave them a defiant, loyal ovation.

vt. 比…长久，比…活得长；

[例句] These naturally dried flowers will outlast a bouquet of fresh blooms...

[例句] People should listen to his music —it will outlast us all.

n. 废弃，陈旧过时，（器官的）废退；

[例句] The aircraft was nearing obsolescence by early 1942.

n. 奥林匹克运动会(=Olympic games)，奥林匹克运动会的( Olympic的名词复数 )；

[例句] ...the reigning Olympic champion.

[例句] I will be in Atlanta for the next Olympics...

n. 煎蛋卷，摊鸡蛋，鸡蛋饼（常加入奶酪、肉和蔬菜等）；

[例句] ...a cheese omelette.

vt. 超过…速度，赶过；

[例句] These hovercraft can easily outpace most boats...

[例句] The Japanese economy will continue to outpace its foreign rivals for years to come...

vt. 惹起，引起（occasion的过去式与过去分词形式）；

[例句] I often think fondly of an occasion some years ago at Covent Garden...

[例句] Mr Davis has been asked on a number of occasions.

adj. （难看得）刺眼的，冒失的，莽撞的，强加于人的；

[例句] 'You are rude and obtrusive, Mr Galbraith,' said Tommy...

[例句] These heaters are less obtrusive and are easy to store away in the summer.

n. 概观，总的看法，回顾，复习；

[例句] The central section of the book is a historical overview of drug use.

adv. 顽固地，固执地；

[例句] He is obstinate and determined and will not give up...

[例句] She was a wicked and obstinate child.

adj. 善于观察的，观察力敏锐的，严守教规的；

[例句] That's a marvellous description, Mrs Drummond. You're unusually observant...

[例句] An observant doctor can often detect depression from expression, posture, and movement.

n. 气味，名声；