名詞 flint:

1. a hard kind of stone; a form of silica more opaque than chalcedony
2. a river in western Georgia that flows generally south to join the Chattahoochee River at the Florida border where they form the Apalachicola River
   同義詞：Flint River
3. a city in southeast central Michigan near Detroit; automobile manufacturing

1. A piece of flint used as a tool by primitive human beings.
   打火石原始人作為工具用的一塊打火石
2. This wall is made of flint.
   這堵墻是用燧石建成的。
3. He has a heart of flint.
   他有一副鐵石心腸。

flint

n.（名詞）
A very hard, fine-grained quartz that sparks when struck with steel.
燧石，火石：一種用鋼撞擊能發(fā)出火星的堅硬的、紋理細密的石英

A piece of flint used to produce a spark.
打火石，電石：一種用來產生火星的燧石
A small solid cylinder of a spark-producing alloy, used in lighters to ignite the fuel.
（打火機用的）電石：一種由能產生火星的、堅硬的合金小圓柱體，用于點燃打火機燃料
A piece of flint used as a tool by primitive human beings.
打火石：原始人作為工具用的一塊打火石
Something resembling flint in hardness:
硬如燧石的東西：
例句：
a jaw of flint.
堅硬的顎

來源：
Middle English
中古英語
from Old English
源自 古英語