球袋–为使球落袋而设置的球洞.Pocket - the holes created for the balls to be potted into.角度 – 在球袋和球之间形成的线路.Angles - the lines created to the pockets between balls....
这种剪切力作用的结果是推动内质向前.The result of this shearing force is to push the endoplasm forward.胰岛素原在粗糙型内质网中合成.Proinsulin is formed on rough endoplasmic reticulun.花粉粒富含线粒体 、 高尔基体以及内质网上.Pollen grains are rich in mitochondria, Golgi ...