defence mechanism

例句：

1. 1.The defense mechanism of the brain is complex and adaptable.
   大脑的防御机制复杂且适应性强。
2. 2. The company's defense mechanism is designed to protect its intellectual property.
   该公司的防御机制旨在保护其知识产权。
3. 3.The new law has strengthened the government's ability to defend against cyber attacks.
   新法律增强了政府抵御网络攻击的能力。