3 sentences for 流动 (liú​dòng — flow)

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