If there is significant swelling within a joint, you will lose range ofmotion — the limb will only go so far in each direction.
如果关节存在严重的肿胀，就会无法活动——肢体在每个方向上的活动范围都十分有限。
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On the first day of the conference, delegates approved a motion calling for "joint industrial action" -in other words, lots of strikes-if and when the cuts happen.
The U. S. Food and Drug Administration today approved a total ankle replacement system for arthritic or deformed ankles that may preserve some range ofmotion in the joint.