flint
Definition
A hard, dark type of quartz that can produce sparks when struck, or a person who is unemotional and tough.
日本語 火石、または感情が乏しく、頑丈な人
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.
日本語 火石、または感情が乏しく、頑丈な人
"Early humans used flint to start fires."