a hard grey rock consisting of nearly pure silica (chert), occurring chiefly as nodules in chalk
黑燧石,燧石,火石。
[count noun]a piece of this stone, especially as flaked or ground in ancient times to form a tool or weapon
(尤指远古工具或武器)燧石石器。
[count noun]a piece of flint used with steel to produce an igniting spark, e.g. in a flintlock gun, or (in modern use) a piece of an alloy used similarly, especially in a cigarette lighter
(明火枪用的)打火石,(打火机用的)电石。
used in expressing how hard and unyielding something or someone is
(人)铁石心肠,(物)坚如燧石
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mean faces with eyes like flints. 一张张充满恶意的面孔,目光尖利无情。
"Old English; related to Middle Dutch