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 ...
梯形是具有两平行边的四边形.A trapezoid is a quadrilateral with two parallel sides.双梯形的试样将产生切变脱胶现象.A double trapezoidal specimen will generate shear debonding.阀杆上的短梯形螺纹适用于快速启闭操作.Stub acme thread on stem provides rapid open - close ope...
Sometimes a light remark jarred on her father.有时候一句玩笑就会令她父亲不快。...televised congressional hearings that jarred the nation's faith in the presidency...电视里播放的动摇了全国人民对总统信心的国会听证会The chalk jarred against the blackboard.粉笔...