1. mechanism

Today we are going to learn “mechanism”. It means a system that is intended to achieve something or deal with a problem
(1) Britain will trigger the mechanism to leave the European Union next week.
(2) The Army has set up mechanisms to help jobless ex-soldiers get work.

2. human

Another word is “human”. It means belonging to or relating to people
(1) Historically, the war between nature and humans has never stopped´╝Ä
(2) The desire for joy lies deep within the human spirit.