我以前有一只玩具机械狗。

I used to have a mechanical toy dog.

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“垃圾桶”——一只机械狗，试图用汉字来告诉主人阿童木其真实身份。

Trashcan, the robotic dog, writes in Chinese, trying to tell its master what Astro Boy really is.

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在西雅图华盛顿大学的一项研究示范中，史考芝(中间)将一只填充狗介绍给机械狗欧宝。

Arianna Stoltz, center, introduces a stuffed dog, to Aibo, a robotic dog during a research demonstration at the University of Washington in Seattle.

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