flint
Definition
A hard, dark type of quartz that can produce sparks when struck, or a person who is unemotional and tough.
한국어 불을 일으키는 돌이나, 감정 없는 사람
Example
"Early humans used flint to start fires."
A hard, dark type of quartz that can produce sparks when struck, or a person who is unemotional and tough.
한국어 불을 일으키는 돌이나, 감정 없는 사람
"Early humans used flint to start fires."