基本解释n.打火石；极硬的东西同根派生 英汉例句用作名词 (n.)It is possible to strike fire from flint.火石可以打火。This layer of rock contains a lot of flint.这一岩层中有大量燧石。He has a heart of flint.他有一副铁石心肠。She gave him a look as hard as flint.她冷酷地瞪他一眼。