The Sahara: From Green Pastures to Golden Sand
撒哈拉：从青翠牧场到金色沙海
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。
课文
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。
-
About 10,000 years ago, the Sahara was covered with grasslands, lakes, and rivers that supported cattle herding and fishing.
-
This ‘Green Sahara’ period ended gradually as Earth’s orbital tilt shifted, reducing summer monsoon rains over North Africa.
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。
Improve faster解锁本课完整体验