flint
Definition
A hard, dark type of quartz that can produce sparks when struck, or a person who is unemotional and tough.
中文 一种坚硬的深色石英,敲击时能产生火花,或指性格冷漠坚强的人。
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.
中文 一种坚硬的深色石英,敲击时能产生火花,或指性格冷漠坚强的人。
"Early humans used flint to start fires."