It consists of many small joints or bones, to which the ribs are joined.

是由很多块“关节”也叫“椎骨”连接起来的, 肋骨就连在这些椎骨上面。

As the enzymes eat away at cartilage, the body attempts to stabilize smaller joints by fusing them together.

随着酶不断吞噬软骨，人体试图将较小关节衔接起来以保持稳定。

But they're still incredibly clumsy when it comes to fine motor movements in small small joints, like our hands.

但是当涉及到像我们的手这样的小关节的精细运动时，它们仍然非常笨拙。