词汇	concave region
释义	concave region 凹域
随便看	functional obstruction of left ventricle functional occlusal analysis functional occlusal harmony functional occlusal plane functional occlusal plane,FOP functional occlusal plane, FOP functional occlusion functional occupational therap functional occupational therapy functional odsolescence functional offices functional official functional of state functional oil functional oils functional oligopeptides functional oligosaccharide functional oligosaccharides functional-oligosaccharides functional oligosaeeharide functional oliguria functional open bite functional operating system functional operation functional operational