This nerve travels from your neck down your upper arm, wrapping around the elbow joint on its way to the hand.

这条神经从你的颈部开始下伸到你的上臂，在运行到你的手的过程中围绕过你的肘关节。

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The articulation of the radius and ulna in the arm is a pivot joint.

手臂桡骨和尺骨的连接关节是一个枢轴关节。

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Using solid pipes or rods, at-joint, and a counterbalancing weight, you can assemble your own poor-man's copy -which can vary form the gimbal arm-and-vest variety to the side-handle version.

找些结实的管子或者杆子，连接头，平衡底座，就可以组装自己的简易稳定支架，从背心式到手持式，可以做出不同形式。

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He replaced a portion of a rabbit's upper arm joint with a biomaterial scaffold, providing a place for cells to grow.

VOA: standard.2010.08.11

Biggest mistake: Assuming that the managers of the original joint venturers in arm had a common plan for the company, when in fact they had differing agendas.

FORBES: 20 FOR 2000

This new arthroplastic joint would be hammered into my upper arm and then cemented to my clavicle.

NPR: Excerpt: 'The Healing Of America'

They said increased marketing efforts and a joint venture with the small-business consulting arm of American Express will get growth back on track this year.

FORBES: Streetwalker update: Administaff plunges