4 sentences

1. 芬兰是一个北欧国家。

   Fēn​lán shì yī gè Běi'ōu guó​jiā.

   Finland is a Nordic country.

   Source: Dong Chinese Dictionary

2. 索尔是北欧神话中的雷神。

   Suǒ'ěr shì Běi'ōu shén​huà zhōng de léi​shén.

   Thor is the God of Thunder in Norse mythology.

   Source: Dong Chinese Dictionary

3. 瑞典是一个美丽的北欧国家。

   Ruì​diǎn shì yī gè měi​lì de Běi'ōu guó​jiā.

   Sweden is a beautiful Nordic country.

   Source: Dong Chinese Dictionary

4. 北欧国家的福利制度非常完善。

   Běi'ōu guó​jiā de fú​lì zhì​dù fēi​cháng wán​shàn.

   Nordic countries have very comprehensive welfare systems.

   Source: Dong Chinese Dictionary