考点词汇就是指雅思阅读中常出现的对句意、题意有着重要影响的词汇。考点词汇也就是雅思阅读中的高频词汇,是考生的必备词汇。今天长沙新航道雅思小编为大家整理的雅思词汇解析 ：疾病与预防（一），希望能给大家带来帮助!

　　1. incubate  /'ɪŋkjʊbeɪt/
　　a.使(病毒)潜伏；
　　e.g. The virus can incubate for up to ten days after the initial infection. 病毒在初次感染以后可以潜伏长达 10 天。
　　b.孵化;孵卵；
　　Condors incubate only one egg and raise one chick at a time.
　　注：condor 美洲秃鹫
　　n. incubation 孵化
　　n. incubator 孵化器;(细菌)培养器
　　小作文流程图：The life of a salmon starts in the incubation period inside the eggs which is spawned in the freshwater.
　　注：spawn  (鱼、蛙等)产卵；
　　听力真题3-3-4：Then the farmers need special equipment such as incubators for the eggs.

　　2. respiratory
　　adj. 呼吸的；
　　e.g. respiratory diseases/infections 呼吸道疾病/ 感染
　　e.g. Most people who get sick with COVID-19 will develop mild to moderate respiratory symptoms. 大多数感染COVID-19的人会出现轻度至中度呼吸道症状。
　　阅读真题 4-1-2：Those suffering from respiratory complaints represent 7% of their patients, and candida sufferers represent an equal percentage. 呼吸系统疾病患者和假丝酵母过敏者各占7%。
　　注：complaint （身体部位的）疼痛；病症
　　如：He is being treated for a stomach complaint. 胃病

　　3. contagious /kən'teɪdʒəs/
　　a.adj. 病接触传染的
　　阅读真题 15-1-1：At the same time, thousands of people across Europe were dying of the plague, a highly contagious and deadly disease. 与此同时，欧洲各地成千上万的人死于瘟疫，这是一种高度传染性和致命的疾病。
　　b.adj. (感情、态度等)感染性的，
　　e.g. His enthusiasm was contagious. 他的热情很有感染力
　　e.g. She has a contagious smile. 她的笑容很有感染力。

　　4. vaccine /'væksiːn/
　　n. 疫苗；
　　e.g. The vaccine is used to protect people against polio.
　　注：polio 脊髓灰质炎，即小儿麻痹症
　　v. vaccinate
　　be vaccinated against: 给…接种疫苗防治
　　e.g. Those above 50 and people with chronic diseases will be vaccinated against Covid-19.
　　注：chronic disease 慢性病
　　e.g. Most side effects from vaccination are mild, such as soreness, swelling, or redness at the injection site.
　　注：side effect 副作用
　　mild 症状轻微的，不强烈的
　　听力真题9-4-1：If you need to be vaccinated before any trip abroad you won’t have to pay for this.
　　正确答案：E. vaccinations

　　好啦! 本期单词你都学废了吗？我们下期见。