3 sentences

1. 火箭发射时尾部喷射出巨大的烈焰。

   huǒ​jiàn fā​shè shí wěi​bù pēn​shè chū jù​dà de liè​yàn.

   Huge flames shot out from the tail of the rocket during launch.

   Source: Dong Chinese Dictionary

2. 喷气式飞机利用向后喷射气体来获得动力。

   pēn​qì​shì fēi​jī lì​yòng xiàng hòu pēn​shè qì​tǐ lái huò​dé dòng​lì.

   Jet aircraft use the backward ejection of gas for power.

   Source: Dong Chinese Dictionary

3. 消防员向着火的建筑喷射高压水柱。

   xiāo​fáng​yuán xiàng zháo​huǒ de jiàn​zhù pēn​shè gāo​yā shuǐ​zhù.

   Firefighters sprayed high-pressure water jets at the burning building.

   Source: Dong Chinese Dictionary