关岛

例句：

1. 1.Guam is a small island in the Pacific Ocean.
   关岛是太平洋中的一个小岛。
2. 2.The US military has bases on Guam.
   美国军队在关岛设有基地。
3. 3.Guam is known for its beautiful beaches and coral reefs.
   关岛以其美丽的海滩和珊瑚礁而闻名。