How Your Phone’s Battery Life Shapes Energy Policy

你的手机电池寿命如何影响能源政策？

课文音频

Listen to the full story · 完整逐句/整段音频可在解锁后使用。

您仍可先看下方课文摘要；在阅读器可查看该书试读与权益说明。

从第 4 课起，导读页仅展示部分正文，便于您了解难度与风格。

Billions of phones charging nightly create steady demand—enough to power small cities—and strain local grids during peak evening hours.
Battery tech improvements let phones last longer between charges, reducing total electricity use per device over its lifetime.

Unlock full vocabulary & bilingual guide · 完整课文、逐句音频与全部译文请在解锁学习权益后于阅读器中查看。

解锁学习权益后，您可在导读页继续浏览全课重点词汇、参考译文与语法提示；听全文、逐句点读与查词建议在阅读器中使用。