第348章 Lesson 22 The Disappearing Aral Sea
- 跟美国学生同步练阅读：Smart Reading（英文原版 Grade 1-8）
- (加)韦恩·埃弗里特
- 558字
- 2017-12-29 12:36:18
The Aral Sea in Central Asia is disappearing. It used to be the world's fourth largest lake. It had ...
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