粗面内质网先裂解为大小不同的小泡，尔后小泡上的核糖体开始脱落，直至变成同心圆状板层结构；

At first, the RER became the different sized vesicles, then, the ribosomes on the little vesicles began to fall, and finally, the RER turned to the concentric round lamellar structures.

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粗面内质网先裂解为大小不同的小泡，尔后小泡上的核糖体开始脱落，直至变成同心圆状板层结构；

At first, the RER became the different sized vesicles, then, the ribosomes on the little vesicles began to fall, and finally, the RER turned to the concentric round lamellar structures.

youdao