宇宙之钥

There is nothing complicated about it.

这一点也不复杂

Move a magnet near a wire...and you will cause electricity to flow through the wire.

拿一块磁铁在一段铁线附近移动 铁线上就会产生电流

Put electricity through a wire,and it would act like a magnet and deflect the compass.

而在铁线上通电后 铁线就具备磁铁的作用 能让指北针偏移

So what connected them?

那两者间究竟有何关联

Maxwell's big idea was that magnetism and electricity

麦克斯韦的高见是 磁力和电力

are actually two facets of the same thing:

其实是一体两面

a wave of energy that was part electrical part magnetical.

是一种能量波 且同时具有电与磁的性质

He called them: electromagnetic waves.But then came a surprise.

他将这种波命名为电磁波 但后来又有意外发现

The mathematics told him this electromagnetic waves

数学推导结果显示这种电磁波

travel at extraordinary speed: 186,000 miles per second.

速度极其之快 每秒达30万公里

The exact same speed that had already been determined to be the speed of light.

这和已确定的光速完全相同

This led to astounding conclusion:Light is an electromagnetic wave,too.

这导出一个惊人的结论 光也是电磁波

重点讲解

1、deflect

转移，引开(批评、注意力等)

Cage changed his name to deflect accusations of nepotism.

凯奇改了名字以避免别人指责他搞裙带关系。

It's a maneuver to deflect the attention of the people from what is really happening.

这是为将公众的注意力从真正发生的事情上转移开而耍的花招。

使脱离;使放弃;使中止

The war did not deflect him from the path he had long ago taken.

战争并没有使他放弃自己很久以前就选择的道路。

Never let a little problem deflect you.

决不要因一点小问题就半途而废。

使偏斜;使偏转

He stuck out his boot and deflected the shot over the bar seconds before the final whistle.

就在终场哨响前几秒，他伸脚一挡，使射门的球变向飞过了球门横梁。

My forearm deflected most of the first punch.

我用前臂挡开了第一拳的大部分力道。

2、extraordinary

非凡的;优秀的;出色的

We've made extraordinary progress as a society in that regard.

在那个方面，我们的社会已经取得了巨大的进步。

The task requires extraordinary patience and endurance.

那项任务需要非凡的耐心和毅力。

非常奇特的;令人惊奇的

What an extraordinary thing to happen!

这事儿真蹊跷！

His decision to hold talks is extraordinary because it could mean the real end of the war.

他作出举行谈判的决定非同寻常，因为这可能意味着战争真的要结束了。

（会议）特别的

at an extraordinary meeting of the sport's ruling body.

在体育运动管理机构的特别会议上

Representatives of the colonies met in an extraordinary congress.

各殖民地代表在一次特别大会上会面。