Helicopters (Red Rocket Readers, Advanced Fluency 3)

Rachel Walker（Author）

出版社：Flying Start Books

出版时间：2012-12

ISBN：9781927197394

词汇量：

页数：24

类别：

虚构：虚构

开本：

阅读年龄：阅读年龄 5-6岁 (50.0%), 9-10岁 (50.0%)

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内容简介

The helicopter (or chopper) is an amazing machine, capable of so many more movements than fixed-wing aircraft. As well as being able to fly in any direction forward, backward, sideways, or even straight up or down it can actually hover in one place for a long time!

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