FlexiLingo
For more information on membership go to https://www.magellantv.com and use code PBS PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACE Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime The device you’re watching this video on is best understood by thinking about positive and negative charges moving around a circuit of diodes and transistors. But the only elementary particle actually flowing in the circuit is the negatively charged electron. And yet those flowing positive charges are th...
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。
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C2 · 精通
母语者的语速和表达范围
- 88% 的单词在 B1 或更简单的水平。
- 每分钟 123 词：语速慢，清晰。
- 整集共有 105 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。
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The device you're watching this video on is best understood by thinking about positive
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？
C2 · 精通
母语者的语速和表达范围
- 88% 的单词在 B1 或更简单的水平。
- 每分钟 123 词：语速慢，清晰。
- 整集共有 105 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+）
Thank you to MagellanTV for supporting PBS. The device you're watching this video on is best understood by thinking about positive and negative charges moving around a circuit of diodes and transistors. But the only elementary particle actually flowing in that circuit are the negatively
charged electrons. And yet those flowing positive charges are there, in the form of a particle you may have never heard of. Your device works because of quasiparticles.
A class of strange emergent behaviors of nature that enable our most important technologies and are behind some of the weirdest phenomena that we have ever encountered. Let's begin our discussion of quasiparticles by talking about the particular quasiparticle that lets me talk to you about quasiparticles right now.
以上是开头部分。 本集其余部分（20 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