The two joints hang together pretty well.

这两个接头衔接得很好。

youdao

These two joints are loose so the arm could move when the motor rotated.

这两个关节的松动，以便可以移动手臂时，发动机旋转。

youdao

Fingers should be bent, the index finger, two joints, the first of which is to bend, the second joint is straight.

手指要弯曲，食指的两个关节，其中第一个是要弯曲的，第二个关节就是要直。

youdao

What is unusual about this condition is that it's in two joints in her back leg, which are not normally vulnerable to arthritis.

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