2 sentences for 朝鲜 (Cháo​xiǎn — Korea)

1. 他正在研究朝鲜半岛的历史。

   tā zhèng​zài yán​jiū Cháo​xiǎn bàn​dǎo de lì​shǐ.

   He is studying the history of the Korean Peninsula.

   Source: Dong Chinese Dictionary

2. 朝鲜半岛的三国时代包括高句丽、百济和新罗。

   Cháo​xiǎn bàn​dǎo de Sān​guó shí​dài bāo​kuò Gāo​gōu​lí, Bǎi​jì hé Xīn​luó.

   The Three Kingdoms period of the Korean Peninsula included Goguryeo, Baekje, and Silla.

   Source: Dong Chinese Dictionary