七国连盟

例句：

1. 1. The United States and China have formed a seven-nation alliance to promote peace in the region.
   美国和中国已形成七国联盟以促进该地区的和平。
2. 2. The leaders of the seven nations met to discuss their common interests and goals.
   七个国家的领导人会晤讨论他们共同的利益和目标。
3. 3. The seven nations agreed to work together to solve the problem of climate change.
   七个国家同意共同努力解决气候变化问题。