CET6,考研,TOEFL,GMAT,SAT
n. [药][计] 疫苗
The invention of vaccines was a medical breakthrough.
疫苗的发明是一项医学上的突破。
Vaccines are essential to defending against infection.
疫苗对预防感染非常重要。
Covid-19 vaccines could pave the way for more groundbreaking mRNA treatments.
Covid-19疫苗可能为更多突破性的mRNA治疗铺平道路。
Not a single scientific study has found a link between vaccines and autism.
没有科学研究发现疫苗和自闭症之间有关联。
New treatment for Covid-19, vaccines starting final trials
新冠肺炎新疗法出现，疫苗进入最终试验阶段
The government said it plans to focus on vaccines and testing instead of vaccine passports and lockdowns.
英国政府表示，他们计划将重点放在疫苗和测试上，而不是疫苗护照和封锁限制。
The arrival of multiple vaccines means there is a light at the end of the tunnel.
多种疫苗的问世意味着黑暗中曙光的到来。
Despite vaccines beginning to be rolled out, Covid-19 cases are still staggeringly high.
尽管新冠疫苗已经开始推广，但新增病例数量依然居高不下。
The mRNA-based vaccines have the same high safety and efficacy standards as an inactive virus vaccine.
这种基于mRNA的疫苗在安全性和效力方面和病毒灭活疫苗有着同样的高标准。
Before mRNA vaccines were a billion-dollar idea, they were a scientific dead end.
mRNA新冠疫苗在成为数十亿美元的大生意之前，曾差点在科学大道上走进死胡同。
In most places, yes. I can't believe how much opposition vaccines still face though.
在大多数地方是的。不过，我真不敢相信还有这么多人反对疫苗。
Anti-malarial vaccines are now undergoing trials.
抗疟疾疫苗现在正处于试验阶段。
My guess is that the chance that these vaccines will work is zero.
我的猜想是这些疫苗将起作用的可能性为零。
Twelve potential vaccines are currently being tested on human volunteers.
12种潜在疫苗目前正在人体志愿者身上测试。
They're all over each other sometimes and viruses and vaccines can spread saliva or other fluids.
有时候他们会缠绵不休，而且病毒和疫苗可以传播唾液或其它液体。
If it was converted into a weapon, where would the vaccines protect the rest of the country come from?
如果它被转化成武器，去哪里才能找来保护国家的疫苗呢？
influenza vaccine
流感疫苗
rabies vaccine
狂犬病疫苗
hepatitis b vaccine
n. 乙肝疫苗；乙型肝炎疫苗
inactivated vaccine
[医]灭活疫苗，灭能疫苗
bcg vaccine
[生化]卡介苗
n.|bacterin;疫苗
疫苗（vaccines）是通过模拟病原体或病原体成分，刺激人体免疫系统产生特异性免疫应答的生物制剂。其核心原理是提前训练免疫细胞识别病原特征，形成免疫记忆，从而在真实感染时快速启动防御机制（世界卫生组织）。
现代疫苗技术主要分为四类：
疫苗的开发需经过三期临床试验验证安全性与有效性，平均耗时5-10年。据联合国儿童基金会数据，疫苗每年可预防200-300万儿童死亡。当前全球疫苗监管体系以WHO预认证和FDA审查为基准，确保产品符合国际质量标准。
“vaccines”（疫苗）是用于预防传染病的生物制剂，通过模拟病原体刺激免疫系统产生特异性抗体和记忆细胞，从而在未来接触真实病原体时快速反应。以下是详细解释：
疫苗通常含有灭活/减毒的病原体、病原体成分（如蛋白质或遗传物质）或类毒素。它们不会引发疾病，但能训练免疫系统识别特定抗原，形成长期免疫记忆。
如需进一步了解疫苗技术原理或具体疾病防控案例，可提供更具体方向。
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