打卡RAZ(L) Introducing Planet Earth 蓝思值580 (tilted, division, antarctic, equator）

[视频作者] 山城卡丽熙

[视频时长] 9:27

[视频类型] 校园学习

Introducing Planet Earth Informational (nonfiction), 508 words, Level L (Grade 2), Lexile 580L Introducing Planet Earth introduces readers to facts pertaining to Earth, including how the planet supports life, why seasons occur, and how day becomes night.