The video owner has disabled playback on external websites.

This video is no longer available on YouTube.

This video cannot be played right now.

Watch on YouTube

解锁AI学习工具

注册即可使用强大工具,帮助你从每个视频中更快地学习。

场景解析 短语猎手 词卡复习 跟读练习 语音回放
免费注册
B2 中高级 英语 6:19 663 单词 Educational

How the Ancient Greeks built the first computer - Max G. Levy

TED-Ed · 103,472 次观看 · 添加于 2 个月前

AI摘要

这部TED-Ed视频讲述了安提基特拉机械的非凡故事——这是一个在沉船中发现的2000年前的装置,被认为是人类的第一台计算机。学习者将接触到涵盖技术、天文学和历史的B2级别词汇,包括"模拟计算""天体""齿轮装置"和"二进制数字"。视频优雅地将古代工程与现代计算概念相连接,非常适合对科技英语感兴趣的学习者。

学习统计

B2

CEFR 等级

663

总词数

349

独特词汇

6/10

难度

词汇多样性 53%

字幕 (36 片段)

下载
00:07

In 1900, Greek divers stumbled upon a 2,000-year-old shipwreck whose contents would shake our understanding of the ancient world.

00:18

Among the remains were fragments of mangled wood and corroded metal, which archaeologists soon realized contained an intricate series of gears, resembling technology not believed to exist until centuries later.

00:35

By the 1950s, scientists began to understand what they'd found.

00:40

These fragments were part of a device that could calculate the movements of the Sun, Moon, and planets.

00:48

Now known as the Antikythera mechanism, this instrument appears to be the oldest geared device ever discovered and humankind’s first computer.

01:01

Most modern devices, like your phone or laptop, are examples of digital computers.

01:07

These systems store information in strings of zeros and ones that they can then convert into images on a screen or sounds in a speaker.

01:17

But more generally, a computer refers to any device that stores information and can convert it from one format into another.

完整字幕可在视频播放器中查看

核心词汇 (18)

world A1 noun

世界是指地球以及生活在地球上的所有人类、动物和事物。

information A2 noun

信息是指关于某事或某人的事实或细节。

real A2 adjective

真实的东西是世界上实际存在的,而不是梦想、谎言或模仿。

本视频中的语法

用练习题学习

从这个视频生成词汇、语法和理解练习

词汇与语法 理解测验 雅思考试 写作练习
注册开始练习
还没有评论。成为第一个分享想法的人!

注册解锁全部功能

追踪进度、保存词汇、练习题目

免费开始学语言