第364章 Lesson 38 Extreme Weather
- 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
- 571字
- 2017-12-29 12:36:18
Severe storms happen in low-pressure weather systems. Warm, wet air begins rising into the air. The ...
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Severe storms happen in low-pressure weather systems. Warm, wet air begins rising into the air. The ...