3 sentences

1. 冬天街头常有卖烤地瓜的小贩。

   dōng​tiān jiē​tóu cháng yǒu mài kǎo dì​guā de xiǎo​fàn.

   In winter, there are often street vendors selling roasted sweet potatoes.

   Source: Dong Chinese Dictionary

2. 在南方，这种地瓜通常被当作水果生吃。

   zài nán​fāng, zhè zhǒng dì​guā tōng​cháng bèi dàng​zuò shuǐ​guǒ shēng chī.

   In the south, this kind of sweet potato is often eaten raw like a fruit.

   Source: Dong Chinese Dictionary

3. 地瓜作为一种药用植物，常用于清热解毒。

   dì​guā zuò​wéi yī zhǒng yào​yòng zhí​wù, cháng​yòng yú qīng​rè jiě​dú.

   As a medicinal plant, sweet potato is often used to clear heat and detoxify the body.

   Source: Dong Chinese Dictionary