The robot features a double jointed neck that helps it achieve more expressive postures.
这台机器人脖颈处有双接缝,有助于他表达更多情感.
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Barrel hocks or cow hocks are most objectionable . Slipped or double - jointed hocks are very faulty.
桶状飞节、牛肢都非常不好,脱臼或双关节的飞节属于严重缺陷.
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