Cayton describes himself as comfortably well-off.凯顿形容自己衣食无忧。My grandparents were quite well off.我的祖父母很富有。Most of these people aren't very well off.这些人大都不算太富裕。...
这种泡囊化现象即胞饮作用确实发生于某些动物和高等绿色植物细胞.This vesiculation phenomenon, pinocytosis, certainly occurs in some animal and higher green plants.加水后混合物表面就会形成小小的珠状泡囊.To take the form of or become enclosed in a cyst.泡囊:来源不同、形状各异的小型液泡,其内可...
通过XRD和SEM微观测试手段, 研究了粘土-硅质石屑 - 水泥-石灰体系水热合成硬化体组成的微观结构.Through XRD and the SEM microscopic test method, the microstructure of hydro - thermal synthesis hardening has studied....