In Boomer that rule finally was disavowed.在“布默”案中,那种规则最后被推翻了.Iris finally ordered coffees for herself and Tania.艾丽斯最后为自己和塔妮娅点了咖啡。The goal has now been finally attained through their dauntless and persistent efforts.经过他们百...
Evolution can explain why human embryos look like gilled fishes.进化论能够解释为什么人类的胚胎看起来象除去了内脏的鱼一样.A sharp demarcation of adventive embryos from zygotic embryos cannot be drawn.不定胚与合子胚之间不能划分出明显的界限.Most grass embryos have a fla...