flint
noun /flɪnt/
/flɪnt/
- [uncountable, countable] a type of very hard grey stone that can produce a spark when it is hit against steel; a piece of this stone
燧石；火石 - prehistoric flint implements
史前燧石工具 - His eyes were as hard as flint.
他的眼神冷酷无情。
- prehistoric flint implements
- [countable] a piece of flint or hard metal that is used to produce a spark
打火石
词源Old English; related to Middle Dutch vlint and Old High German flins.