4 sentences

1. 花旗参是一种产于美国的西洋参。

   huā​qí shēn shì yī zhǒng chǎn yú Měi​guó de Xī​yáng shēn.

   American ginseng is a type of ginseng produced in the United States.

   Source: Dong Chinese Dictionary

2. 西洋文化对现代社会有很大影响。

   Xī​yáng wén​huà duì xiàn​dài shè​huì yǒu hěn dà yǐng​xiǎng.

   Western culture has a great influence on modern society.

   Source: Dong Chinese Dictionary

3. 郑和下西洋是中国航海史上的壮举。

   Zhèng Hé xià Xī​yáng shì Zhōng​guó háng​hǎi​shǐ shàng de zhuàng​jǔ.

   Zheng He's voyages to the Western Oceans were a great feat in Chinese maritime history.

   Source: Dong Chinese Dictionary

4. 郑和下西洋时，曾将长颈鹿作为麒麟进献给皇帝。

   Zhèng Hé xià Xī​yáng shí, céng jiāng cháng​jǐng​lù zuò​wéi qí​lín jìn xiàn​gěi huáng​dì.

   During Zheng He's voyages, he presented a giraffe to the emperor as a qilin.

   Source: Dong Chinese Dictionary