第247章 Lesson 51: The Arctic
- 跟美国学生同步练阅读：Smart Reading（英文原版 Grade 1-6）
- (加)韦恩·埃弗里特
- 1692字
- 2016-12-27 15:08:12
Much of the Arctic is treeless tundra. There is little soil for plants, and the temperature is extre...
后续精彩内容，上QQ阅读APP免费读
登录订阅本章 >
Much of the Arctic is treeless tundra. There is little soil for plants, and the temperature is extre...