5 sentences

1. 电流在这个电路中流动。

   diàn​liú zài zhè​gè diàn​lù zhōng liú​dòng.

   Electric current flows through this circuit.

   Source: Dong Chinese Dictionary

2. 新鲜空气在房间里自由流动。

   xīn​xiān kōng​qì zài fáng​jiān lǐ zì​yóu liú​dòng.

   Fresh air flows freely in the room.

   Source: Dong Chinese Dictionary

3. 在心脏检查中，医生重点观察了患者左心房的血液流动。

   zài xīn​zàng jiǎn​chá zhōng, yī​shēng zhòng​diǎn guān​chá le huàn​zhě zuǒ xīn​fáng de xuè​yè liú​dòng.

   During the heart examination, the doctor focused on observing the blood flow in the patient's left atrium.

   Source: Dong Chinese Dictionary

4. 企业在经营过程中，必须保持资金的正常流动。

   qǐ​yè zài jīng​yíng guò​chéng zhōng, bì​xū bǎo​chí zī​jīn de zhèng​cháng liú​dòng.

   In the course of business, a company must maintain normal cash flow.

   Source: Dong Chinese Dictionary

5. 那种流动的摊位非常灵活，能根据人流调整位置。

   nà zhǒng liú​dòng de tān​wèi fēi​cháng líng​huó, néng gēn​jù rén​liú tiáo​zhěng wèi​zhi.

   Those mobile stalls are very flexible and can adjust their location based on the flow of people.

   Source: Dong Chinese Dictionary