flintKK [flɪnt] /flɪnt/发音名词1燧石、火石Early humans struck flint against iron to make sparks.远古人类用燧石敲击铁器来产生火花。2打火石The flint in my lighter is worn out and needs replacing.我打火机里的打火石磨损了,需要更换。3铁石心肠、冷酷比喻His heart was flint; no amount of pleading moved him.他铁石心肠,再怎么哀求也打动不了他。用这个字练口说→