这标志着卵裂发育阶段的结束.This marks the end of the cleavage stage of development.受精卵发育成桑椹胚的过程叫卵裂.The growth a zygote a morula is called fragmentation.在早期卵裂中, γ微管蛋白聚集在胚胎的细胞核周围.During early cleavage, � � - tubulin distributes around ...
Fish is inexpensive, easy to cook and very digestible.鱼价格便宜，容易烹调，且味美可口。Metered taxis are relatively inexpensive.打表计价的出租车相对便宜。a relatively inexpensive hotel相对廉价的旅馆...