They had left because they had no more gunpowder.

他们之所以离开是因为没有火药了。

This would light the gunpowder, which would then light the main charge.

这样就会点燃火药，火药就会点燃主装药。

On the right, Sun Simiao, this is the guy that many believe invented gunpowder.

右边是孙思邈，许多人认为是他发明了火药。

The British started to attack from across the river. The Americans had very little gunpowder.

英国人开始从河对岸发起进攻。而殖民地只有很少的火药。

Please to remember the Fifth of November, gunpowder treason and plot.

“请将11月5日铭记于心，火药阴谋粉碎于那日。

And the secret of our power is gunpowder.

而我们的秘密就是火药。

Like writing, gunpowder, paper and seasons.

像文字、火药、纸张和季节。

The muskets had a place for the gunpowder called a " pan" .

滑膛枪有一个装火药的地方，叫做" pan（旧式枪的火药池）" 。

The crowd flooded in, taking the gunpowder and freeing the prisoners.

人群涌了进来，带走火药，释放了囚。

But it isn't a rifle that uses gunpowder, the captain replied.

这不是什么火药枪。船长回答。

No inventions have changed the entire world more than steam and gunpowder.

也只有蒸汽和火药是唯一改变了世界的两种发明。

It is an ancient civilization that gave the world Peking Man, gunpowder and noodles.

北京人（古代猿人）、火药、面条。

If you bring fire into contact with gunpowder, there will be an explosion.

如果你让火和火药接触，就会发生爆炸。

Later, they used the Parthenon as a warehouse and packed it with gunpowder.

之后，他们把帕台农神庙用作储存弹药的仓库。

Just a final blast of gunpowder, and the two tunnels will be one.

用点火药一炸 两条隧道就打通 合二为一。

Take, for example, gunpowder, which was originally invented to try and make humans immortal.

以火药为例，火药发明的初衷是想长生不老。

His subject was how fortifications had to evolve once gunpowder was widely in use.

一旦火药被广泛使用，防御工事应如何发展。

Lincoln believed that starting an investigation would be like lighting a barrel of gunpowder.

林肯认为开始调查就像点燃一桶火药。

They had gunpowder, catapults, siege engines. A navy with the biggest ships in human history.

他们有火药，弹弓，攻城机，拥有人类历史上最大船只的军。

She was three feet and a half in diameter, and made of the very best gunpowder.

她的直径有三英尺半，是用最好的火药制成的。