201.longevity [lɒn'dʒevɪti]
n.①长寿 ②持续时间
✎ 示例：
The worms have a longevity of about two years. 这些虫子大约能活两年。
 
202.loot [luːt]
n.①战利品 ②赃物v.掠夺，抢劫
✎ 示例：
Jodie came home from the mall with bags of loot. 乔迪从购物中心满载而归。
 
203.lotion ['ləʊʃ(ə)n]
n.护肤液，洗涤剂
✎ 示例：
The nurse told him to bathe his eyes with the lotion. 护士叫他用洗液洗眼睛。
 
204.lottery ['lɒt(ə)ri]
n.①奖券，彩票 ②碰运气的事
✎ 示例：
The stock market is a lottery. 股市靠的是运气。
 
205.lucrative ['luːkrətɪv]
a.  利润丰厚的，赚钱的
✎ 示例：
Afghanistan is, after all, within striking distance of the lucrative markets in the Gulf. 阿富汗毕竟在海湾地区也算是一个比较有利可图的市场。
 
206.lyric ['lɪrɪk]
n.抒情诗a.抒情的
✎ 示例：
Wordsworth was one of the greatest lyric poets of his time. 华兹华斯是他那个时代最伟大的抒情诗人之一。
 
207.malice ['mælɪs]
n.恶意，怨恨，敌意
✎ 示例：
There was a strong current of malice in many of his portraits. 他的许多肖像画中都透出强烈的恶意。
 
208.malignant [mə'lɪgnənt]
a.①恶性的 ②恶意的
✎ 示例：
She developed a malignant breast tumour. 她得了恶性乳腺瘤。
 
209.mandate ['mændeɪt]
n.授权
✎ 示例：
The President was elected with a clear mandate to tackle violent crime. 总统当选时获得了解决暴力犯罪问题的明确授权。
 
210.mar [mɑː]
vt.破坏，毁坏，糟蹋掉
✎ 示例：
A number of problems marred the smooth running of this event. 许多问题破坏了该事件的顺利进行。
 
211.maritime ['mærɪtaɪm]
a.  海洋的，海运的，海事的
✎ 示例：
Over on Maritime Community there was an article about Ship Spares In Transit and what the term means. 在海洋界，有一个条约是关于运输中的船用备件以及此条款的定义。
 
212. maternal [mə'tɜːn(ə)l]
a.  母亲的，母系的
✎ 示例：
I have no desire to have a child, no maternal or paternal instinct. 我没有想要孩子的意愿，没有母性的或父性的本能。
 
213.medication [medɪ'keɪʃ(ə)n]
n.药剂，药物
✎ 示例：
And always, we think about a medication treatment for each and every problem. 往往我们每遇到一个问题都会想到药物治疗。
 
214.mentor ['mɛn'tɔr]
n.①导师 ②顾问
✎ 示例：
Pick one program, course or mentor you resonate with, and stick with it. 选择一个方案、课程或与你有共鸣的良师益友，并坚持下去。
 
215.merchandise ['mɜːtʃ(ə)ndaɪz]
n.商品vt.推销
✎ 示例：
We delivered the merchandise to them. 我们把货物送交给他们。
 
216.metabolism [mɪ'tæbəlɪz(ə)m]
n.新陈代谢
✎ 示例：
All living matter undergoes a process of metabolism. 一切生物都有新陈代谢。
 
217.metaphor ['metəfə]
n.隐喻，暗喻
✎ 示例：
This metaphor is very appropriate. 这个隐喻很贴切。
 
218.meticulous [mə'tɪkjələs]
a.极细致的，体察入微的
✎ 示例：
He was meticulous in his use of words. 他用词很谨慎。
 
219.mindset ['maɪn(d)set]
n.思维模式
✎ 示例：
I try to have a positive mindset, and keep my mind focused on what I have to do. 我努力保持一个乐观的心态，并让我的思想集中在我必须做什么上面。
 
220.monarchy ['mɒnəki]
n.君主制，君主政体
✎ 示例：
People are going to be questioning the role of the monarchy more and more. 人们会越来越多地质疑君主制的作用。
 
221.monotony [mə'nɒt(ə)ni]
n.单调乏味，千篇一律
✎ 示例：
This is a good way to develop new interests, and friends and to break up the monotony of everyday life. 这是一个发展新的兴趣，结交朋友和打破每天的单调生活的好办法。
 
222.morale [mə'rɑːl]
n.士气，斗志，精神面貌
✎ 示例：
Morale perked up immediately at the good news. 听到这个好消息，士气立刻振作起来。
 
223.mow [məʊ]
v.刈，割(草)
✎ 示例：
They mowed the field so as to provide the cattle with fodder. 他们把地里的草割下来以便为牛提供饲料。
 
224.nap [næp]
n.①打盹 ②短绒毛vi.打盹
✎ 示例：
I usually take a nap after lunch. 我午饭后通常要小睡一会儿。
 
225.navigate ['nævɪgeɪt]
vt.航行，横渡vi.（为……）导航
✎ 示例：
She is the first woman who navigates a sail crossing the English Channel. 她是迄今为止驾船横渡英吉利海峡的第一位女性。
 
226.negligent ['neɡlɪdʒənt]
a.(of)疏忽的，粗心大意的
✎ 示例：
Mr. Brown was found guilty of negligent driving. 布朗先生被判疏忽驾驶罪。
 
227.oar [ɔː]
n.船桨，桨
✎ 示例：
The roaring oar hit the coarse keyboard on the cupboard aboard the boat. 轰鸣的桨击中了船上碗柜上的粗糙键盘。
 
228.observatory [əb'zɜːvət(ə)rɪ]
n.天文台，气象台
✎ 示例：
An observatory on the back side of the Moon would be a giant leap for astronomy, but there is a far more important reason to return. 即使仅仅在月球的背面设置一个天文台，也将为天文学带来革命性的突破，何况月球的价值远远不止这些。
 
229.obsess [əb'ses]
vt.使着迷，使迷恋vi.唠叨，牵挂
✎ 示例：
They were obsessed by her song. 他们都被她的歌声迷住了。
 
230.obstruct [əb'strʌkt]
vt.①阻塞 ②阻挡，妨碍
✎ 示例：
The heavy rain obstructed our view. 大雨挡住了我们的视线。
 
231.opaque [ə(ʊ)'peɪk]
a.①(液体等)不透明的 ②难懂的 
✎ 示例：
Unlike the other two types, this is not an opaque type; its structure is documented. 与另外两个类型不同，这是一个透明的类型；其结构在文档中有介绍。
 
232.ordeal [ɔː'diːəl]
n.严峻的考验，痛苦的经历
✎ 示例：
And that can be an ordeal for the child, and of course, for the parents or the nurses who were looking after him. 这对于孩子是一种折磨，当然，对于照顾他的父母和医护人员也是如此。
 
233.orphan ['ɔːf(ə)n]
n.孤儿vt.使成为孤儿
✎ 示例：
He was an orphan, he had no family, and he was on his first long voyage at sea.他是孤儿，没有家人，这是他首次出海远航。
 
234.outlaw ['aʊtlɔː]
vt.全面禁止n.逃犯 
✎ 示例：
The bill would have outlawed several types of guns. 这项法案将几种枪列为非法枪支。
 
235.overhaul ['ovɚhɔl][,əʊvə'hɔːl]
n.大修vt.大修
✎ 示例：
This engine needs an overhaul. 这台发动机需要大修。
 
236.override [,ovɚ'raɪd]
vt.①否决 ②凌驾
✎ 示例：
As a matter of fact, his remarks overrode your motion. 事实上，他的评论否决了你的提议。
 
237.panorama [,pænə'ræmə]
n.①全景 ②综合研究
✎ 示例：
From the inside the guests will be able to appreciate the panorama of the snow mountain under any weather condition. 从内部游客可以欣赏雪山的全景，无论在任何天气状况下。
 
238.pant [pænt]
vi./n.气喘，喘息
✎ 示例：
The dog was panting because of the hot weather. 因为天热这只狗不停地喘气。
 
239.paradigm ['pærədaɪm]
n.①范例 ②词形变化表
✎ 示例：
However, the space shuttle paradigm is only one model of space travel. 无论如何，航天飞机的范例只是太空旅行的一种模式。
 
240.parish ['pærɪʃ]
n.①教区 ②(英国)郡以下的行政区
✎ 示例：
I'll discover the parish of that parishioner. 我会找到这个教民所属的教区。
 
241.parole [pə'rəʊl]
n.假释vt.准许……假释
✎ 示例：
If convicted, he would face life in prison with no chance of parole. 如果罪名成立，他将面临无假释机会的终身监禁。
 
242.partisan [,pɑːtɪ'zæn]
n.游击队a.盲目支持的
✎ 示例：
British newspapers are highly partisan. 英国报纸的立场壁垒分明。
 
243.pasta ['pæstə]
n.意大利面食
✎ 示例：
So it has to be pasta, which makes me a true citizen of the world. 所以还是意大利面，它让我感觉像这个世界上的一员。
 
244.peck [pek]
v.啄，啄食
✎ 示例：
The bird pecked insects from the log. 小鸟从木头中啄食虫子。
 
245.peddle ['ped(ə)l]
 vt.叫卖，到处贩卖
✎ 示例：
He has been peddling from house to house for weeks. 他挨家挨户叫卖已有数星期。
 
246.peep [piːp]
vi.①偷看 ②部分现出n.偷偷一瞥
✎ 示例：
The door was ajar and Helen peeped in. 门虚掩着，海伦往里偷看。
 
247.pending ['pendɪŋ]
a.即将发生的prep.直到……时
✎ 示例：
Sales of the drug have been stopped, pending further research. 这种药物的销售已被叫停，等待进一步研究。
 
248.perch [pɜːtʃ]
vi.①栖息 ②休息n.①栖木 ②休息处
✎ 示例：
The birds like to fly and perch on rooftops, but none have flown away. 这些鸟喜欢飞，喜欢在房顶栖息，但没有一只飞走。
 
249.persecute ['pɜːsɪkjuːt]
vt.①使困扰 ②迫害
✎ 示例：
They persecute those who do not conform to their ideas. 他们迫害那些不符合他们意见的人。
 
250.pesticide ['pestɪsaɪd]
n.杀虫剂，农药
✎ 示例：
This pesticide is diluted with water and applied directly to the fields. 这种杀虫剂用水稀释后直接施用在田里。