It naturally lubricates joints and helps to keep joints healthy .

这自然润滑关节和有助於保持关节的健康。

Lubricates and conditions leather without softening .

润滑和条件没有软化皮革。

Lubricates wheels of homemade monorail systems .

润滑单轨铁路系统的车轮。

Ground substance stabilizes and lubricates connective tissue .

基质为结缔组织提供稳定和润滑。

Humour is a kind of oil that lubricates workplace transactions .

幽默感是工作场合人际交流的润滑油。