To take sides at a later point would be to suggest that the earlier presumptive impartiality was a sham.
在以后的某一时刻偏袒某一方，就意味着先前假定的公正只是一种假象。
2
Extraembryonic mesoderm migrates through primitive streak to the presumptive yolk sac between days 6.5 and 7.0 of gestation.
胚外中胚层在妊娠的第6.5至7.0天之间通过原始条带迁移到推测的卵黄囊。
3
Presumptive zygotes were cultured in mSOFaa medium supplemented with OCS or FBS had higher blastocyte yield than that in culture medium with free serum.