6 sentences

1. 烟雾探测器发出了警报。

   yān​wù tàn​cè​qì fā​chū le jǐng​bào.

   The smoke detector set off an alarm.

   Source: Dong Chinese Dictionary

2. 空气中弥漫着浓重的烟雾。

   kōng​qì zhōng mí​màn zhe nóng​zhòng de yān​wù.

   The air was thick with smoke.

   Source: Dong Chinese Dictionary

3. 烟雾很快就在微风中散开了。

   yān​wù hěn kuài jiù zài wēi​fēng zhōng sàn​kāi le.

   The smoke quickly dispersed in the breeze.

   Source: Dong Chinese Dictionary

4. 今天的烟雾特别浓，窗外白茫茫的。

   jīn​tiān de yān​wù tè​bié nóng, chuāng wài bái​máng​máng de.

   The fog is particularly thick today, and everything outside the window is white.

   Source: Dong Chinese Dictionary

5. 清晨的湖面上弥漫着一层薄薄的烟雾。

   qīng​chén de hú​miàn shàng mí​màn zhe yī céng báo báo de yān​wù.

   A thin layer of mist hung over the lake in the early morning.

   Source: Dong Chinese Dictionary

6. 工厂排出的烟雾严重污染了周围的空气。

   gōng​chǎng pái​chū de yān​wù yán​zhòng wū​rǎn le zhōu​wéi de kōng​qì.

   The smoke emitted from the factory has severely polluted the surrounding air.

   Source: Dong Chinese Dictionary