[坎贝尔生物学 第1084页] Campbell Biology 12th Edition
Figure 46.15 Formation of a human zygote and early postfertilization events. Image: A diagram illustrating the process of human fertilization and early embryoni
Figure 46.15 Formation of a human zygote and early postfertilization events. Image: A diagram illustrating the process of human fertilization and early embryoni