3 sentences

1. 爱迪生发明了电灯。

   ài​dí​shēng fā​míng le diàn​dēng.

   Edison invented the light bulb.

   Source: Dong Chinese Dictionary

2. 爱迪生发明了电灯和留声机。

   ài​dí​shēng fā​míng le diàn​dēng hé liú​shēng​jī.

   Edison invented the light bulb and the phonograph.

   Source: Dong Chinese Dictionary

3. 爱迪生是一位伟大的发明家。

   ài​dí​shēng shì yī wèi wěi​dà de fā​míng​jiā.

   Edison was a great inventor.

   Source: Dong Chinese Dictionary