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.Early division phase embryos may use metabolites provided by the suspensor, persistent and degenerating synergids.早期分裂时期的胚可以利用胚...
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...
Using this machine can fully utilize the rattan brushwood in forest areas.采用这种机械可充分利用林区藤条灌木.The ball is made of rattan — a natural fibre.这个球是由一种天然纤维——省藤制成的。The rattan and wrought-iron chair pictured here costs £125.这张图片中...
It provides a good medium for growth of molds.这为霉菌的生长提供良好的培养基.The wind molds the waves.风造成浪.Food which is kept too long decays because it is attacked by yeasts, molds and bacteria.保存得太久的食品会变坏,是因为受到酵母菌, 霉菌和细菌的侵袭....