America's flintknappers produce over a million new arrow and spear heads every year.

国燧石工每年生产超过100万支新箭头矛头。

These might include flint arrow heads and small knives or daggers.

这些可能包括燧石箭头小刀或匕首。

Rub a steel file with a flint in a dark room, and notice what pretty sparks you get.

在黑暗房间中用钢锉在燧石上摩擦, 就能够看到漂亮火花。

Fortunately, however, ancient men made tools of stone, especially flint, because this is easier to shape than other kinds.

然而，幸运是，远古人用石头制作了工具，特别是用燧石，因为燧石较之其他石头更容易成形。

Although they had no metal tools, they were expert carvers, creating elaborate objects out of bone, flint, and jade.

尽管他们没有金属工具，但他们却是雕刻方面专，用骨头、燧石碧玉雕刻出作品。

He must needs strike out fire at once, with iron and flint; and did he die in his bed?

倘若机缘巧合，仓促中用铁与燧石试着摩擦，火，就这样被发现了，有野人因失火死在自己床上吗？

So, we're trying to thicken them out with flint, pebbles, rag stone.

所以，我们试图用燧石、鹅卵石、碎石将它们加厚。

Its flinted walls had stood there for more than 800 years.

它燧石墙已屹立在那里 800 多年。

And he said, yeah, like Fred Flintstone feet.

他说，是，就像弗莱德·燧石脚。

And they had found some paleolithic flints, upper paleolithic flints around there.

他们在那里发现了一些旧石器时代旧石器时代晚期燧石。

There was a cabinet of flint instruments.

有一柜子燧石仪器。

In falling I struck my temple against a flint.

在坠落时， 我太阳穴撞到了一块燧石。

The gray warrior's eyes were like chips of yellow flint.

灰色武士眼睛就像黄色燧石片。

Ancient humans even made rudimentary drills to smooth out the rough holes left behind and beeswax to plug cavities, like modern-day fillings.

人类已用磨尖燧石去除烂牙古代人甚至做出了简易牙钻用来磨平粗糙蛀孔。

Suddenly they saw some huts and lots of minture, people cooking and making weapons with flint.

突然 他们看到了一些小屋大量火药 人们用燧石做饭制造武器。

Crystals of certain common minerals, like flint, which is a form of quartz, tend to trap electrons over time.

某些常见矿物晶体， 如石英一种形式燧石，随着时间推移往往会捕获电子。

Qotho glared down at her, his eyes hard as flint. The maegi. He spat. This I will not do.

柯索从马上瞪着她，两眼刚硬如燧石。" 巫魔女，" 他啐了一口，" 我不干。"

With back to the stranger ship, and face set like a flint to his own, Ahab stood upright till alongside of the Pequod.

亚哈背对着陌生人大船，容光焕发，像一块燧石，笔直地站在艇上，直到小艇靠拢了“裴阔德号”。

'He stood in the centre of the menacing circle, his arms folded, his chin raised, his eyes hard as flint.

’他站在气势汹汹圈子中央， 双臂交叉，扬起下巴，眼神坚硬如燧石。

The walls were a significant undertaking they stand at 7 feet high and were built using facing  stones, chalk and flint fill.

这些墙是一项重大工程，它们高 7 英尺，使用饰面石、白垩燧石填充而成。