如果可的松无效，我恐怕只能动手术了。If the cortisone doesn't take, I may have to have surgery.令人震惊的是，这种既无效又危险的手术直到20世纪30年代才被废止。Shockingly, this useless and dangerous surgery did not end until the 1930s.一份官方法令宣布在首都举行的投票无效。An official ...
In the CAGD field , Coons surface, B spline surface and NURBS surface are mainly used.Coons类曲面 、 B样条曲面和NURBS曲面 是CAGD中 主要的曲面表达形式.Gum disease also more common in Maine Coons than in other breeds.缅因猫的齿龈炎与牙周炎也来的比其他猫种频繁.Most ...