一：vaccine是什么意思（中英文）解释的意思：

vaccine是指一种用于预防疾病的药物，其主要作用是通过刺激人体免疫产生抗体，从而提高身体对特定疾病的抵抗力。它可以包括活体或灭活的微生物、毒素、蛋白质等成分，也可以是基因工程技术制造的。

Vaccine refers to a medicine used to prevent diseases, its main function is to stimulate the body's immune system to produce antibodies, thereby enhancing the body's resistance to specific diseases. It can include live or inactivated microorganisms, toxins, proteins and other components, as well as genetically engineered products.

二：怎么读（音标）：

/vækˈsiːn/

三：用法：

vaccine通常作为名词使用，可以单独使用或者与特定疾病搭配使用。它可以被注射或者口服，并且需要按照特定剂量和时间间隔进行接种。接种疫苗是预防传染性疾病最有效的方法之一。

Vaccine is usually used as a noun and can be used alone or in combination with specific diseases. It can be injected or taken orally, and needs to be administered according to specific doses and time intervals. Vaccination is one of the most effective ways to prevent infectious diseases.

四：例句1-5句且中英对照：

1. The development of a vaccine for COVID-19 is crucial in controlling the pandemic. (开发一种疫苗对至关重要。)

2. My doctor recommended that I get the flu vaccine every year. (我的医生建议我每年都接种流感疫苗。)

3. The measles vaccine has greatly reduced the number of cases worldwide. (麻疹疫苗大大降低了全球的发病率。)

4. It is important to follow the recommended vaccine schedule for children's health and well-being. (遵循儿童接种建议的疫苗时间表对其健康和幸福非常重要。)

5. Some people may experience mild side effects after receiving a vaccine, such as soreness at the injection site or low-grade fever. (接种疫苗后，有些人可能会出现轻微的副作用，比如注射部位酸痛或低烧。)

五：同义词及用法：

1. Immunization：免疫，通常指通过接种来产生免疫力。

2. Inoculation：接种，指将微生物或其产物注入体内以产生免疫力。

3. Shot：注射，通常指通过针筒将药物注入体内。

4. Vaccine dose：疫苗剂量，指每次接种所需的药物量。

5. Immunogen：免疫原，指能够引起免疫反应的物质。

六：编辑总结：

作为一种预防性药物，vaccine在当今社会发挥着重要的作用。它可以有效地预防多种传染性疾病，保护人们的健康和生命安全。随着科技的发展，疫苗的研发也在不断进步，为人类提供更加完善的保护。因此，我们应该积极接种疫苗，同时也要关注科学家们对新型疫苗的不断探索和创新。