词汇	bright as a pin
释义	bright as a pin 十分整洁,干干净净
随便看	Trans plantation Transplantation,Adult Derived Stem Cell Transplantation,Adult-Derived Stem Cell Transplantation,Allogeneic Transplantation and transformation transplaced transplacement transplacement vector transplacement vectorreplacement vector Transplantation animal tumors transplantation antigen Transplantation Antigens Transplantation autologous Transplantation,Autologous transplantation bed Transplantation,Bone Marrow Transplantation,Bone Marrow Cell Transplantation,Brain Tissue Transplantation by throwing Transplantation,Cardiac transplacental transplacental antibody transplacental carcinogenesis Transplacental Exposure transplacental gradient