Gonads are aggregations of developing gametes.

生殖聚集形成配子.

The shape of the choochoo train and toys were aggregations of polygons -- no graceful curves.

这个呜呜叫的小火车还有其它玩具的形状都是由多面体堆起来的: 没有什么优美曲线.

The atoms of the different chemical elements are different aggregations of atoms of the same kind.

不同化学元素的原子是同类原子的不同聚合物。

Rooms and buildings will vary in their electronic ecology, as will appliances within a room, since they all will be aggregations of smaller distributed parts.

房间和建筑会各有各的电子生态，房间里的电器用具也一样，因为它们都会由更小的分布式零部件集合而成。