保护国

例句：

1. 1. The government is protecting the environment by enforcing stricter regulations.
   政府通过实施更严格的规定来保护环境。
2. 2.She protected her home from burglars with a strong security system.
   她用一套强大的安全系统来保护自己的家免受窃贼的侵扰。
3. 3.The company protects its customers' privacy by providing them with secure online transactions.
   该公司通过提供安全的在线交易来保护客户的隐私。