1 sentence

1. 奶牛有一个复杂的消化系统，有四个胃。

   nǎi​niú yǒu yī​ge fù​zá de xiāo​huà​xì​tǒng, yǒu sì ge wèi.

   Cows have a complex digestive system with four stomachs.

   Source: CCMatrix