v. 坚持，固执，存留，继续存在；

[例句] Contact your doctor if the cough persists...

[例句] These problems persisted for much of the decade.

n. 透镜，望远镜，观点，看法，远景，景色，洞察力；adj. （按照）透视画法的，透视的；

[例句] He says the death of his father 18 months ago has given him a new perspective on life...

[例句] ...two different perspectives on the nature of adolescent development...

n. 灰泥，涂墙泥，石膏，膏药；vt. 涂以灰泥，在…上敷贴膏药，减轻，黏贴；

[例句] There were huge cracks in the plaster, and the green shutters were faded...

[例句] In the Mus d'Orsay in Paris is a sculpture in plaster by Rodin.

n. 表演，演技，表现，执

[例句] Inside the theatre, they were giving a performance of Bizet's Carmen.

[例句] ...her performance as the betrayed Medea...

n. 匆促，沉淀，（雨等）降落，某地区降雨等的量；

adj. 紫色的，帝王的，词藻华美的；n. 紫色，紫（红）衣，紫袍，帝位，皇权，皇族；vt. 使成紫色；vi. 变紫；

[例句] She wore purple and green silk.

[例句] ...sinister dark greens and purples.

vt.& vi. 出版，发行，发表，宣布（结婚等），公布，颁布，出版…的著作；

[例句] They publish reference books...

[例句] His latest book of poetry will be published by Faber in May.

adj. 已经通过的，已经过去的，考试及格的，（指红利）未及时发放的；v. 走过( pass的过去式和过去分词 )，通过，批准，度过；

[例句] As she passed the library door, the telephone began to ring...

[例句] Jane stood aside to let her pass...

vt. 预防，阻碍，阻止，[宗教]引领；vi. 阻挠，阻止；

[例句] These methods prevent pregnancy...

[例句] Further treatment will prevent cancer from developing...

n. 牧草地，牧场，牲畜饲养，放牧；vt.& vi. 放牧；vi. 吃草；

[例句] The cows are out now, grazing in the pasture.

[例句] ...mountain pastures.

n. 生产者，制造者，制片人，煤气发生炉，自养有机体；

[例句] Vanya Kewley is a freelance film producer.

[例句] ...Mike Morley, the producer of Central Television's Dennis Nilsen documentary.

adj. 自豪的，得意的，光荣的，高尚的，傲慢的，有自尊心的；

[例句] I felt proud of his efforts...

[例句] They are proud that she is doing well at school...

v. 演奏( play的现在分词 )，演出，参加比赛，捉弄；

[例句] ...invite the children round to play...

[例句] They played in the little garden...

n. 平底锅，盘状的器皿，淘盘子，金盘，秤盘；vt. 淘金，在浅锅中烹调（食物），[非正式用语]严厉的批评；vi. 淘金，在淘洗中收获金子；

[例句] Heat the butter and oil in a large pan.

[例句] His first high-budget movie, called 'Brain Donors', was panned by the critics.

vi. 参加某事，分享某事；vt. 得到或接受某部分东西；

[例句] They expected him to participate in the ceremony...

[例句] Over half the population of this country participate in sport.

adj. 不断前进的，进步的，进行的；n. 改革论者，进步分子；

[例句] ...a progressive businessman who had voted for Roosevelt in 1932 and 1936...

[例句] Willan was able to point to the progressive changes he had already introduced...

n. 瘟疫，灾害，折磨；vt. 使染瘟疫，使痛苦，造成麻烦；

[例句] A cholera plague had been killing many prisoners of war at the time.

[例句] ...a fresh outbreak of plague.

n. 专利，专利品，专利权，专利证；adj. 专利的，显然，显露，明摆着的；vt. 获得…专利，给予…专利权，取得专利权；

[例句] P&G applied for a patent on its cookies...

[例句] He held a number of patents for his many innovations...

adj. 清晰的，精确的，正规的，精密；

[例句] I can remember the precise moment when my daughter came to see me and her new baby brother in hospital...

[例句] The precise location of the wreck was discovered in 1988...

n. 可能性，几率，概率，或然性；

[例句] Without a transfusion, the victim's probability of dying was 100%...

[例句] The probabilities of crime or victimization are higher with some situations than with others...