英语语法分析

During the long journey, they wore wooden kneepad to protect their knees, kowtow every three steps until them arrived in Lhasa.

在漫长的旅途中，他们带着木制的护膝，就这样三步一叩地来到他们心中的圣地。

This paper designs a kneepad that can undertake parts of weights for the knee joints, and elaborates it in detail of the work principle.

设计了一个能够替膝关节承担部分体重的护膝，文中阐述了该种分载助行康复护膝的工作原理。

The results showed that OA kneepad could delay cataplasia of articular cartilage by inhibiting cytokines and adjusting biological effect of MMP-3, HA.

结果表明OA护膝通过有效抑制细胞因子、调节MMP-3、HA的生物效应来延缓关节软骨的退变。