FlexiLingo
Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Uploaded 28-09-17 Recent findings suggest that the fundamental constants might not be as stable as we assumed. And be sure to signup for your free trial of The Great Courses Plus at http://ow.ly/rcsA30beNw1 You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time tshirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbss...
打开播放器：完整文字稿，每个单词都可点击，附翻译和单词卡。
这一集适合你吗？
B2 · 中高级
能看懂电视新闻就会觉得轻松
- 90% 的单词在 B1 或更简单的水平。
- 每分钟 129 词：语速慢，清晰。
- 整集共有 123 个较难的单词（B2 及以上）。
试一试：点任意单词
来自本集开头的真实句子，每个单词都标出了难度级别。
点一个单词，用你的语言查看释义。
这些单词你认识吗？
本集中 8 个较难的单词。点一个查看释义，然后标记一下。
标记几个单词，我们会告诉你这一集是否适合你的水平。
这一集适合你吗？
B2 · 中高级
能看懂电视新闻就会觉得轻松
- 90% 的单词在 B1 或更简单的水平。
- 每分钟 129 词：语速慢，清晰。
- 整集共有 123 个较难的单词（B2 及以上）。
文字稿
本集开头部分。完整文字稿在播放器中。
较难的单词（B2+）
This episode is supported by The Great Courses Plus. The laws of physics are the same everywhere in the universe. At least we astrophysicists hope so. After all, it's hard to unravel the complexities of different parts of the universe if we don't
know the basic rules. But what if this is wrong? There is a hint of evidence that the fundamental constants that govern our universe may evolve over time, and even from one location to another.
The laws of physics are the relationships we observe between space and time and the fields and particles that occupy it. Those relationships are often expressed as equations,
以上是开头部分。 本集其余部分（17 分钟）在播放器中：每个单词都可点击，附翻译、生词收藏和单词卡。
在播放器中继续由音频自动生成，可能存在错误。 音频版权归其发布者所有，并从其订阅源播放。版权所有者可申请删除 — 版权与删除政策