花粉粒败育形态多种多样，有不规则形，梭形，圆形等。
Abortive shapes of pollen grains were in varied forms, such as irregular, round and spindle etc.
您可以在每一次创建一个矩形或椭圆形等形状时激活网格。
You can activate the grid every time you create a shape such as a rectangle or an ellipse.
二者十二指肠中均有较多内分泌细胞，呈柱状、锥形、槌形、梭形、圆形等。
The endocrine cells might assume various forms as columnar, pyramidal, hammer, spindle and round in shape.
应用推荐