3 sentences

1. 奈及利亚是位于西非的一个国家。

   Nài​jí​lì​yà shì wèi​yú Xī Fēi de yī gè guó​jiā.

   Nigeria is a country located in West Africa.

   Source: Dong Chinese Dictionary

2. 我从没在伦敦吃过这么美味的西非餐。

   wǒ cóng méi zài Lún​dūn chī guo zhè​me měi​wèi de Xī Fēi cān.

   I've never had West African food this good in London.

   Source: OpenSubtitles

3. 他被公司派往玛丽工作了两年，对西非的文化有了深了解。

   tā bèi gōng​sī pài​wǎng Mǎ​lì gōng​zuò le liǎng nián, duì Xī Fēi de wén​huà yǒu le shēn liǎo​jiě.

   He was sent by his company to work in Mali for two years and gained a deep understanding of West African culture.

   Source: Dong Chinese Dictionary