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你好!prototype 英[ˈprəʊtətaɪp] 美[ˈproʊtətaɪp] n. 原型; 雏形; 最初形态; [例句]Chris Retzler has built a prototype of a machine called the wave rotor.克里斯·雷茨勒已制造出了一种叫波转子的机器的样机。aesthetic 英[iːsˈθetɪk] 美[esˈθetɪk] adj. 审美的; 有审美观点的; 美学的; 美的; 艺术的; n. 美感; 审美观; 美学; [例句]One's appreciation of literature depends on one's level of aesthetic knowledge.一个人对文学作品的欣赏能力,取决于他的艺术修养。epidemic 英[ˌepɪˈdemɪk] 美[ˌepɪˈdemɪk] n. 流行病; (迅速的) 泛滥,蔓延; adj. 流行性的; 极为盛行的; [例句]A flu epidemic is sweeping through Moscow.一场流感正席卷莫斯科。

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流行病
epidemic
英[ˌepɪˈdemɪk]
美[ˌepɪˈdemɪk]
n. 流行病;(迅速的)泛滥,蔓延;
adj. 流行性的;极为盛行的;
[例句]Hospitals were already fully extended because of the epidemic.
这场流行病已使各医院以最大负荷运转。
[其他] 复数:epidemics
pandemic和epidemic的区别:
一、读音不同
1.pandemic:英[pændemk];美[pændemk]
2.epidemic:英[epdemk];美[epdemk]
二、表达意思不同
1.pandemic:作形容词的意思是(疾病)在全国(或世界)流行的,作名词的意思是(全国或全球性)流行病,瘟疫。
2.epidemic:作名词时意为传染病;流行病;风尚等的流行,作形容词时意为流行的;传染性的。
三、侧重点不同
1.pandemic:侧重于病情的传染范围大。
2.epidemic:侧重于传染病的严重性。
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Epidemic:An epidemic occurs when the incidence rate (i.e. new cases in a given human population, during a given period) of a certain disease substantially exceeds what is "expected," based on recent experience.Pandemic: is an epidemic of an infectious disease that spreads through human populations across a large region, like a continent.【Comparison】Epidemic :Disease outbreak that is concentrated in a particular region。Pandemic:Disease outbreak that occurs over a wide geographic area and affects a very high proportion of the population.故,Pandemic可理解为一种流行非常广的Epidemic。