The sweater has raved at the elbow.

这件毛衣的肘部绽线了。

youdao

The sweater has raveled at the elbow.

这件毛衣的肘部绽线了。

youdao

The ulna forms the chief articulation at the elbow.

尺骨是组成肘关节的主要骨骼。

youdao

"On station one,we have robot arms. And what happens is the robots have different joints like a human arm -- one at the shoulder,one at the elbow, wrist and then a claw.

VOA: special.2010.07.28

She held her arm in front of her, bent at the elbow, the hand gently extended.

WSJ: Yielding With a Purpose

The pulses of electricity in the brain are then translated into commands to move the arm, which bends at the elbow, wrist and could grab an object.

BBC: Paralysed woman's thoughts control robotic arm

Multiple gold shards are used at the elbow to focus the eye on the arm, with a final shard continuing down to the cuff and the hand holding the torch.

BBC: London 2012: Will the Olympic Games be a stylish affair?