1839ppt课件3

, He invented this bicycle in 1839.Module4 Unit2Wheel 车轮车轮One wheel of this bicycle was very small.Look at this .Its a .L,

1839ppt课件3Tag内容描述:

1、 He invented this bicycle in 1839.Module4 Unit2Wheel 车轮车轮One wheel of this bicycle was very small.Look at this .Its a .L。

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