4 sentences

1. 诺贝尔发明了安全炸药。

   Nuò​bèi'ěr fā​míng le ān​quán zhà​yào.

   Nobel invented dynamite.

   Source: Dong Chinese Dictionary

2. 施工队正在使用炸药开采石料。

   shī​gōng​duì zhèng​zài shǐ​yòng zhà​yào kāi​cǎi shí​liào.

   The construction team is using explosives to quarry stone.

   Source: Dong Chinese Dictionary

3. 他决定引爆炸药，与敌人同归于尽。

   tā jué​dìng yǐn​bào zhà​yào, yǔ dí​rén tóng​guī​yú​jìn.

   He decided to detonate the explosives and perish together with the enemy.

   Source: Dong Chinese Dictionary

4. 工程师通过远程遥控起爆了废弃建筑里的炸药。

   gōng​chéng​shī tōng​guò yuǎn​chéng yáo​kòng qǐ​bào le fèi​qì jiàn​zhù lǐ de zhà​yào.

   The engineer detonated the explosives in the abandoned building via remote control.

   Source: Dong Chinese Dictionary