这是一项真正的突破。

This is a genuine breakthrough.

youdao

德里克·琼斯：但这不只是个玩具。这是一项真正的突破。

DEREK JONES: But it 's not just a toy. This is a genuine breakthrough.

youdao

德里克·琼斯：但这不只是个玩具。这是一项真正的突破。

DEREK JONES: But it 's not just a toy. This is a genuine breakthrough.

youdao