3 sentences

1. 墨西哥则是美国的邻国。

   mò​xī​gē zé​shì měi​guó de lín​guó.

   Mexico is a neighbor of the United States.

   Source: CCMatrix

2. 中国和日本是邻国。

   zhōng​guó hé rì​běn shì lín​guó.

   Japan and China are neighbors.

   Source: CCMatrix

3. 老挝、越南和泰国是柬埔寨的邻国。

   lǎo​wō, yuè​nán hé tài​guó shì jiǎn​pǔ​zhài de lín​guó.

   Laos, Vietnam, and Thailand are the neighboring countries of Cambodia.

   Source: CCMatrix