FlexiLingo
这一集适合你吗？
B2 · 中高级
能看懂电视新闻就会觉得轻松
- 95% 的单词在 B1 或更简单的水平。
- 每分钟 144 词：自然语速。
- 整集共有 16 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。
.
They can help us solve the crisis of global climate change by providing a way to generate
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
- 95% 的单词在 B1 或更简单的水平。
- 每分钟 144 词：自然语速。
- 整集共有 16 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+）
Photovoltaic solar cells generate electricity from the energy contained in sunlight. They can help us solve the crisis of global climate change by providing a way to generate electricity without burning climate-warming fossil fuels. But unfortunately, they come with a significant downside.
They don't generate electricity at night when the sun isn't shining. Remarkably, there might actually be a way to partly overcome this limitation. In 2022, a team of engineers based in Australia and England published a scheme for generating a small amount of electricity from solar energy at night.
How could they do this? During the daytime, Earth's crust absorbs sunlight and heats up. At night, Earth radiates this stored heat into the cold of deep space as infrared radiation. visible sunlight, this infrared radiation contains energy and can be used to generate
以上是开头部分。 本集其余部分（1 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