It "s a joy to watch the boy playing with his toy."
很愉快地看着这个男孩玩耍着他的玩具。
DEREK JONES: But it 's not just a toy. This is a genuine breakthrough.
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."
德里克·琼斯：但这不只是个玩具。
DEREK JONES: But it 's not just a toy.
德里克·琼斯：但这不只是个玩具。
DEREK JONES: But it 's not just a toy.
德里克·琼斯：但这不只是个玩具。
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