4 sentences

1. 冬天吃个烤红薯非常暖和。

   dōng​tiān chī gè kǎo hóng​shǔ fēi​cháng nuǎn​huo.

   Eating a roasted sweet potato in winter is very warming.

   Source: Dong Chinese Dictionary

2. 吃点红薯吧。

   chī diǎn hóng​shǔ ba.

   Have some sweet potatoes.

   Source: OpenSubtitles

3. 堆在地上的那些烂红薯都发腐了。

   duī zài dì shàng de nà​xiē làn hóng​shǔ dōu fā fǔ le.

   The rotten sweet potatoes piled on the ground have started to decay.

   Source: Dong Chinese Dictionary

4. 秋收以后，农民会在地窖里贮些红薯。

   qiū​shōu yǐ​hòu, nóng​mín huì zài dì​jiào lǐ zhù xiē hóng​shǔ.

   After the autumn harvest, farmers store some sweet potatoes in cellars.

   Source: Dong Chinese Dictionary