3 sentences

1. 灰尘在阳光照射下的空气中悬浮。

   huī​chén zài yáng​guāng zhào​shè xià de kōng​qì zhōng xuán​fú.

   Dust particles are suspended in the air under the sunlight.

   Source: Dong Chinese Dictionary

2. 空气中悬浮着许多肉眼看不见的微粒。

   kōng​qì zhōng xuán​fú zhe xǔ​duō ròu​yǎn kàn​bu​jiàn de wēi​lì.

   Many particles invisible to the naked eye are suspended in the air.

   Source: Dong Chinese Dictionary

3. 这台设备利用磁悬浮技术来减少摩擦。

   zhè tái shè​bèi lì​yòng cí xuán​fú jì​shù lái jiǎn​shǎo mó​cā.

   This equipment uses maglev technology to reduce friction.

   Source: Dong Chinese Dictionary