第514章 Lesson 58 Amazing, Unique Glass
- 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
- 445字
- 2017-12-29 12:36:18
Glass has the unique distinction of being classified as an amorphous solid. This means it lacks a ke...
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Glass has the unique distinction of being classified as an amorphous solid. This means it lacks a ke...