2 sentences

1. 奶牛正在吃干草。

   nǎi​niú zhèng​zài chī gān​cǎo.

   The cows are eating hay.

   Source: Dong Chinese Dictionary

2. 古人席地而坐，通常会铺上厚厚的干草为藉。

   gǔ​rén xí​dì'ér​zuò, tōng​cháng huì pū shàng hòu​hòu de gān​cǎo wéi jiè.

   Ancient people sat on the ground and would usually spread a thick layer of dry grass as a mat.

   Source: Dong Chinese Dictionary