Shortly after implantation the blastocyst wall, the trophoblast, consists of two layers of cells.植入之后不久,胚囊的壁, 即滋养细胞含有两层细胞.Microchips are convenient, safe, and reliable. Implantation is simple and routine.微芯片是方便 、 安全和可靠的....

allotransplantation的音标：allotransplantation的英式发音音标为：[ələtrænsplɑ:n'teɪʃn]allotransplantation的美式发音音标为：[ələtrænsplɑn'teɪʃn]...

Objective : To study the feasibility of spermatogonial stem cell allotransplantation.目的: 研究同种生精干细胞移植的可行性.Limb allotransplantation is an important procedure for reconstruction of limb defects.同种异体肢体移植是解决肢体缺损的重要方法,本文阐述了该项技...

The sugar plantations were adorned with windmills ( Alec Waugh )甘蔗种植园装备有风车 ( 亚历克沃 )The storm was the most powerful to hit Hawaii this century. It leveled sugar plantations and destroyed homes.这是本世纪夏威夷遭遇的最强风暴。无数甘蔗园和住宅被夷为平...