在充满液体的腔体旁边的这个簇状细胞是囊胚的一个区域，称为内细胞团。
The cells of this cluster inside next to the fluid-filled cavity is a region of the blastocyst called the inner cell mass.
北温带的一种簇状多年生卷耳。
多面体的笼状和簇状结构的形成只是最近才被认为是一种重要而又普通的现象。
The formation of polyhedral cages and clusters has only recently been recognized as an important and widespread phenomenon.
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