At the top of the frame, the jointed appendages of the station's robotic manipulator arm Dextre appear in silhouette.

在画面的顶部，空间站的机械操纵臂Dextre的连接附属部分显露出了轮廓。

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The arm and shoulder rotation stretch warms up the muscle that surrounds the shoulder jointed the body. These muscles are used continuously during swimming.

手臂和肩膀的旋转伸展动作帮助肩部及其联接躯干的肌肉群充分热身。游泳时将连续不停的运用这些肌肉。

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Filling barrel was accomplished by semiautomatic filler machine and jointed filling arm, and the filling arm can reach the four barrels in turn.

装桶由半自动化装料机和有关节的装料臂共同完成。有关节的填充臂能依次达到四个桶。

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Muralitharan was born with a permanently bent arm but it is a double-jointed wrist, perhaps combined with the deformity, which is primarily responsible for the amount of turn he is able to obtain on even the most batsman-friendly surfaces.

BBC: Muralitharan - the record-breaker