尺寸：原型机可以由一个乒乓球变化到一个篮球大小。

Size: Prototypes run from the size of a ping pong ball to basketball size.

youdao

课后我在操场上打篮球，在花园里听收音机，还在图书馆里看书。

I listen to the radio in the garden. And read books in the library.

youdao

课后我在操场上打篮球，在花园里听收音机，还在图书馆里看书。

I listen to the radio in the garden. And read books in the library.

youdao