滑动关节

1.glidingjoint  

滑的英语翻译：

slide; slip; slippery; smooth; crafty; cunning

动关节的英语翻译：

【医】 abarthrosis; abarticulation; aparthrosis; diarthrodial joint
diarthrosis; freely movable joint; joints through; juncturae synovialis
movable joints; perarticulation