6 sentences

1. 这种小事积多了也会变成大问题。

   zhè zhǒng xiǎo shì jī duō le yě huì biàn​chéng dà wèn​tí.

   These small things can turn into big problems if they accumulate.

   Source: Dong Chinese Dictionary

2. 这条小河的河底积满了厚厚的淤泥。

   zhè tiáo xiǎo hé de hé dǐ jī mǎn le hòu​hòu de yū​ní.

   The bottom of this small river is covered with a thick layer of silt.

   Source: Dong Chinese Dictionary

3. 连日的阴雨让水池里的水都积满了。

   lián​rì de yīn​yǔ ràng shuǐ​chí lǐ de shuǐ dōu jī mǎn le.

   The continuous rain has filled the pool to the brim.

   Source: Dong Chinese Dictionary

4. 他为了养家长期超负荷工作，终因积劳成疾而病倒了。

   tā wèi​le yǎng​jiā cháng​qī chāo​fù​hè gōng​zuò, zhōng yīn jī láo chéng​jí ér bìng​dǎo le.

   He worked excessive hours for a long time to support his family and finally fell ill due to overwork.

   Source: Dong Chinese Dictionary

5. 三与五的积是十五。

   sān yǔ wǔ de jī shì shí​wǔ.

   The product of three and five is fifteen.

   Source: Dong Chinese Dictionary

6. 中医常使用这些草药来治疗他体内的积症。

   zhōng​yī cháng shǐ​yòng zhè​xiē cǎo​yào lái zhì​liáo tā tǐ nèi de jī zhēng.

   Traditional Chinese medicine often uses these herbs to treat internal accumulations in his body.

   Source: Dong Chinese Dictionary