Light weight and mobility have been manufactures in various forms using different materials and systems, such as extending furniture, in-wall-bed and partitions, etc.
重量轻和移动性体现在不同形式上，使用了不同的材料和系统，如可伸展的家具、壁床、分区等等。
J. Maya's mobility was decreasing: she could no longer jump on their bed, and they knew she might be suffering from joint pain and facing diabetes.
玛雅的活动能力下降了：她连他们的床都跳不上去了，而且他们知道她可能受关节疼痛折磨，并面临糖尿病的威胁。
Bed rest can delay you getting treatment, reduce mobility and prolong recovery time, say experts.
专家称卧床休息可能导致治疗延误、活动能力下降以及康复缓慢。
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