个人资料图片
English
  • 全部
  • 搜索
  • 图片
  • 视频
  • 地图
  • 资讯
  • 更多
    • 购物
    • 航班
    • 旅游
  • 笔记本
报告不当内容
请选择下列任一选项。
  • 时长
    全部短(小于 5 分钟)中(5-20 分钟)长(大于 20 分钟)
  • 日期
    全部过去 24 小时过去一周过去一个月去年
  • 清晰度
    全部低于 360p360p 或更高480p 或更高720p 或更高1080p 或更高
  • 源
    全部
    Dailymotion
    Vimeo
    Metacafe
    Hulu
    VEVO
    Myspace
    MTV
    CBS
    Fox
    CNN
    MSN
  • 价格
    全部免费付费
  • 清除筛选条件
  • 安全搜索:
  • 中等
    严格中等(默认)关闭
筛选器
Alexander Fleming and the Accidental Mould Juice – The Serendipity of Science (2/3)
1:44
YouTubeOpenLearn from The Open University
Alexander Fleming and the Accidental Mould Juice – The Serendipity of Science (2/3)
When Alexander Fleming came back from holiday he noticed that mould contamination on an experimental plate had killed a pathogen. Fleming wondered 'Why?' Careful observation, rigorous scientific thinking and painstaking experimental work led to the discovery of penicillin. This material relates to the Open University course Exploring Science ...
已浏览 52.1万 次2015年9月15日
OpenLearn Courses
The Open University Free Online Courses with Certificate | OpenLearn
8:18
The Open University Free Online Courses with Certificate | OpenLearn
YouTubeanswersQ
已浏览 1.5万 次2020年11月4日
The home of free learning from the Open University
The home of free learning from the Open University
open.edu
2011年11月25日
Open Centre for Language and Culture
2:24
Open Centre for Language and Culture
YouTubeOpenLearn from The Open
已浏览 1534 次2021年7月16日
热门视频
English in the world: A very brief history of a global language
3:08
English in the world: A very brief history of a global language
YouTubeOpenLearn from The Open
已浏览 24.4万 次2020年12月4日
Introduction to OpenLearn
1:27
Introduction to OpenLearn
YouTubeOpenLearn from The Open
已浏览 4.1万 次2022年10月4日
OpenLearn Podcast #4: Eyewitnesses & miscarriages of justice with Professor Graham Pike
29:11
OpenLearn Podcast #4: Eyewitnesses & miscarriages of justice with Professor Graham Pike
YouTubeOpenLearn from The Open
已浏览 562 次2 个月之前
OpenLearn Podcasts
OpenLearn Podcast #2: How we relate to fictional villains with Professor Zoë Walkington
19:38
OpenLearn Podcast #2: How we relate to fictional villains with Professor Zoë Walkington
YouTubeOpenLearn from The Open
已浏览 520 次3 个月之前
A very brief history of machine translation
3:13
A very brief history of machine translation
YouTubeOpenLearn from The Open
已浏览 489 次5 个月之前
Tricky Topics in Nursing - Undertake Chest Auscultation
4:36
Tricky Topics in Nursing - Undertake Chest Auscultation
YouTubeOpenLearn from The Open
已浏览 512 次1 个月前
English in the world: A very brief history of a global language
3:08
English in the world: A very brief history of a global language
已浏览 24.4万 次2020年12月4日
YouTubeOpenLearn from The Open University
Introduction to OpenLearn
1:27
Introduction to OpenLearn
已浏览 4.1万 次2022年10月4日
YouTubeOpenLearn from The Open University
OpenLearn Podcast #4: Eyewitnesses & miscarriages of justice with Professor Graham Pike
29:11
OpenLearn Podcast #4: Eyewitnesses & miscarriages of ju…
已浏览 562 次2 个月之前
YouTubeOpenLearn from The Open University
OpenLearn Podcast #2: How we relate to fictional villains with Professor Zoë Walkington
19:38
OpenLearn Podcast #2: How we relate to fictional villains with Prof…
已浏览 520 次3 个月之前
YouTubeOpenLearn from The Open University
A very brief history of machine translation
3:13
A very brief history of machine translation
已浏览 489 次5 个月之前
YouTubeOpenLearn from The Open University
Tricky Topics in Nursing - Undertake Chest Auscultation
4:36
Tricky Topics in Nursing - Undertake Chest Auscultation
已浏览 512 次1 个月前
YouTubeOpenLearn from The Open University
OpenLearn Podcast #3: Looking for life on exoplanets with Dr Jo Barstow
26:00
OpenLearn Podcast #3: Looking for life on exoplanets with Dr Jo Barst…
已浏览 263 次2 个月之前
YouTubeOpenLearn from The Open University
3:26
Tricky Topics in Nursing - Oxygen administration
已浏览 329 次2 周前
YouTubeOpenLearn from The Open University
6:50
Inside BCMG’s Gender-Balanced Programming - Women transformi…
已浏览 1 次3 周前
YouTubeOpenLearn from The Open University
观看更多视频
静态缩略图占位符
更多类似内容
反馈
  • 隐私
  • 条款