inventor

Alexander Graham Bell is recognized as the inventor of the first practical telephone.

(Chinese) 亚历山大·格拉汉姆·贝尔被公认为第一部实用电话的发明家。

To become a successful inventor, one must file a patent to protect their original design.

(Chinese) 要成为一名成功的发明家，必须申请专利来保护自己的原创设计。