在树林的那一边，一架小飞机停在那里，发动机在空转。Beyond a stand of trees a small plane idled.大火在熄灭之前毁掉了树林的一半.The fire had consumed half the forest away before it was stopped.他走到树林的深处.He walked deep into the woods....
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...