Countermeasure
中文翻译：对策、反制措施、抵消措施

音标：/ˈkaʊntərˌmɛʒər/

定义：
Countermeasure指的是对可能的威胁、攻击或负面影响采取的防范或反应措施。通常用于军事、科技、医学等领域，目的是减轻或消除危害、风险或负面效应。它可以是主动的应对方式，也可以是被动的防护措施。

用法：

军事领域：指用于抵消敌方攻击或威胁的策略、武器或战术手段。

安全防护：指为防止网络攻击、病毒感染或其他技术漏洞而采取的技术措施。

医学：指针对特定疾病或病因所采取的治疗方法。

环境科学：应对气候变化、污染等问题的各种政策或技术手段。

例句：

The government has implemented countermeasures to deal with the economic downturn.

The military developed countermeasures to protect their troops from enemy radar detection.

In response to cyberattacks, companies are investing in countermeasures to protect their data.

The team used countermeasures to block the spread of the virus in the laboratory.

After the accident, the company put in place countermeasures to prevent future occurrences.

The countermeasures against pollution include stricter regulations on industrial emissions.

The new security system is designed to offer countermeasures against hacking attempts.

The countermeasures in place helped minimize the damage caused by the natural disaster.

Due to rising tensions, both nations are enhancing their military countermeasures.

Countermeasures against the spread of infectious diseases include quarantine and vaccination programs.

相关短语：

Countermeasure against - 针对……的反制措施

Countermeasure to - 用于……的对策

Countermeasure strategy - 反制战略

Defensive countermeasures - 防御性对策

Countermeasure systems - 对策系统

总结：
Countermeasure是一个多用途的术语，涵盖了从军事到科技、医学等多个领域的反应措施，目的是应对潜在威胁、风险或攻击，保持安全或减少损害。