Hi, I’m Carrie Anne, and welcome to Crash Course Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne N 欢迎收看计算机科学速成课！N

One of the most dramatic changes enabled by computing technology
计算机带来的最大改变之一 N 是信息的创造和传播能力

has been the creation and widespread availability of information.
计算机带来的最大改变之一 N 是信息的创造和传播能力

Hi, I’m Carrie Anne, and welcome to Crash Course Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne \N 欢迎收看计算机科学速成课！

So, over the course of this series,
在这个系列中，

we’ve focused almost exclusively on computers –
我们聊的话题几乎全是计算机-比如电路和算法

Hi, I’m Carrie Anne, and welcome to Crash Course Computer Science!
嗨，我是 Carrie Anne，欢迎收看计算机速成课

Today we’re going to talk about robots.
今天 我们要讨论机器人

The first image that jumps to your mind is probably a humanoid robot,
你脑中冒出来的第一个印象估计是 类人机器人

Hi, I'm Carrie Anne, and welcome to Crash Course Computer Science!
(｡･∀･)ﾉﾞ嗨 我是Carrie Anne，欢迎收看计算机科学速成课

Last episode we talked about computer vision
上集我们讨论了计算机视觉 - 让电脑能看到并理解

• giving computers the ability to see and understand visual information.
  上集我们讨论了计算机视觉 - 让电脑能看到并理解

Hi, I'm Carrie Anne, and welcome to Crash Course Computer Science!
(｡･∀･)ﾉﾞ嗨 我是Carrie Anne，欢迎收看计算机科学速成课

Today, let's start by thinking about how important vision can be.
今天 我们来思考视觉的重要性

Most people rely on it to prepare food,
大部分人靠视觉来做饭

Hi, I'm Carrie Anne, and welcome to Crash Course Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne，欢迎收看计算机科学速成课！

As we've touched on many times in this series,
我们之前说过 N 计算机很擅长存放，整理，获取和处理大量数据

computers are incredible at storing, organizing,
我们之前说过 N 计算机很擅长存放，整理，获取和处理大量数据

Hi, I'm Carrie Anne, and welcome to CrashCourse Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne，欢迎收看计算机科学速成课！

Over the past two episodes, we’ve talked a lot about computer security.
在过去两集，我们聊了很多计算机安全话题

But the fact is, there’s no such thing as a perfectly, 100% secure, computer system.
但事实是 世上不存在100%安全的系统

Hi, I’m Carrie Anne, and welcome to CrashCourse Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne，欢迎收看计算机科学速成课！

Last episode, we talked about the basics of computer security,
上集我们讲了计算机安全的基础知识，

principles and techniques used to keep computer systems safe and sound.
包括各种原则和技术

Hi, I’m Carrie Anne, and welcome to Crash Course Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne \N 欢迎收看计算机科学速成课！

Over the last three episodes, we’ve talked about how computers have become interconnected,
过去3集 我们讲了计算机如何互连

allowing us to communicate near-instantly across the globe.
让我们能瞬时跨全球沟通

Hi, I’m Carrie Anne, and welcome to Crash Course Computer Science.
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne N 欢迎收看计算机科学速成课！

Over the past two episodes, we’ve delved into the wires, signals, switches, packets,
前两集我们深入讨论了电线 信号 交换机 数据包 N 路由器以及协议，它们共同组成了互联网.

routers and protocols that make up the internet.
前两集我们深入讨论了电线 信号 交换机 数据包 N 路由器以及协议，它们共同组成了互联网.

Hi, I’m Carrie Anne, and welcome to CrashCourse Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne \N 欢迎收看计算机科学速成课！

As we talked about last episode, your computer is connected to a large, distributed network,
上集讲到，你的计算机和一个巨大的分布式网络连在一起

called The Internet.
这个网络叫互联网

Hi, I’m Carrie Anne, and welcome to Crash Course Computer Science!
(｡･∀･)ﾉﾞ嗨，我是 Carrie Anne，欢迎收看计算机科学速成课！

The internet is amazings
互联网太棒啦

In just a few keystrokes, we can stream videos on Youtube -- Hello!
键盘敲几下就能在 Youtube 直播--哈喽！