这位官员说
The official said
以上为机器翻译结果，长、整句建议使用 人工翻译 。
“即使在地球上，两足机器人也很难在崎岖不平的地面上行走。”这位官员说。
"It is still difficult for a biped robot to walk on a bumpy surface, even on Earth," the official said.
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