flint

名词 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
   同义词：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.
   打火石原始人作为工具用的一块打火石
2. This wall is made of flint.
   这堵墙是用燧石建成的。
3. He has a heart of flint.
   他有一副铁石心肠。

flint

n.（名词）
A very hard, fine-grained quartz that sparks when struck with steel.
燧石，火石：一种用钢撞击能发出火星的坚硬的、纹理细密的石英

A piece of flint used to produce a spark.
打火石，电石：一种用来产生火星的燧石
A small solid cylinder of a spark-producing alloy, used in lighters to ignite the fuel.
（打火机用的）电石：一种由能产生火星的、坚硬的合金小圆柱体，用于点燃打火机燃料
A piece of flint used as a tool by primitive human beings.
打火石：原始人作为工具用的一块打火石
Something resembling flint in hardness:
硬如燧石的东西：
例句：
a jaw of flint.
坚硬的颚

来源：
Middle English
中古英语
from Old English
源自 古英语