第33章 Lesson 32 Dinosaur Clues
- 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
- 252字
- 2017-12-29 12:36:18
How do we know that dinosaurs were real? It is because their bones have been found in rocks. Sometim...
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How do we know that dinosaurs were real? It is because their bones have been found in rocks. Sometim...