5 sentences

1. 土豆含有大量的淀粉。

   tǔ​dòu hán​yǒu dà​liàng de diàn​fěn.

   Potatoes contain a large amount of starch.

   Source: Dong Chinese Dictionary

2. 这种粉丝是用绿豆淀粉做的。

   zhè zhǒng fěn​sī shì yòng lǜ​dòu diàn​fěn zuò de.

   These glass noodles are made from mung bean starch.

   Source: Dong Chinese Dictionary

3. 这部文学巨著展现了作者深厚的文化积淀。

   zhè bù wén​xué jù​zhù zhǎn​xiàn le zuò​zhě shēn​hòu de wén​huà jī​diàn.

   This literary masterpiece demonstrates the author's profound cultural heritage.

   Source: Dong Chinese Dictionary

4. 他需要一段时间来沉淀心情，思考未来的打算。

   tā xū​yào yī duàn shí​jiān lái chén​diàn xīn​qíng, sī​kǎo wèi​lái de dǎ​suàn.

   He needs some time to settle his thoughts and reflect on his future plans.

   Source: Dong Chinese Dictionary

5. 河床上的泥沙经过长年累月的积淀，形成了新的小岛。

   hé​chuáng shàng de ní​shā jīng​guò cháng​nián​lěi​yuè de jī​diàn, xíng​chéng le xīn de xiǎo dǎo.

   The silt on the riverbed accumulated over the years to form a new island.

   Source: Dong Chinese Dictionary