滑液关节的关节囊都是松弛的.The capsules of the synovial joints are lax.医生为我关节的疼痛开了一种新药.The doctor proscribed a new medicine for the pain in my joint.关节炎会产生疼痛 、 肿胀会限制一两个关节的运动.Arthritis produces pain, swelling and limited movement in o...
The professor pored over the picture book in silence.教授默默地凝视着画册.I gave a picture book to each of the boys.我给了每个男孩一本小人书.I have a picture book.我有一本图画书....