1. Well, we can start a fire, Matt said. But there one problem. We need a piece of
flint.
那样的话，我们可以燃起一把火。马特说，但有一个问题，我们需要一块打火石。
2. The finest vineyards are found on well-draining gravel, where quartz and
flint pebbles lie over a subsoil of marl.
最好的葡萄园处于排水良好的砾石带，在那里石英和燧石平铺在泥灰的下层土之上。
3. Fortunately, however, ancient men made tools of stone, especially
flint, because this is easier to shape than other kinds.
然而，幸运的是，远古人用制作石器，非凡是燧石器，因为燧石比其他石头更易成形。
