现任元首，兰尼埃三世亲王于1949年5月9日继位。The present ruler, Prince Rainier III, succeeded to the throne on 9 May 1949.国王死后, 其长子 继位.When the king died, his eldest son succeeded ( to the throne ) .这位王子继位成为国王.The prince ascended the throne...
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....