Instead, it's made of little spheres of silica all bunched together.

反而，它是由小型的球状硅粒聚在一起形成的。

The children bunched together in small groups.

【bunch】孩子们你一群我一伙地聚在操场上。

At first, countries' incomes were all bunched together, but with the Industrial Revolution the differences exploded.

起初，各国的收入都集中在一起，但随着工业革命， 差异爆发了。

The prey, confused by the noise and scared of the rising circle of bubbles, bunched themselves together for protection.

猎物被噪音迷惑了，也害怕上升的气泡圈，聚集在一起寻求保护。

Then at last the opening music came again, with all the different instruments bunched together for each note like a hard, tight fist that socked at her heart And the first part was over.

最后，开场音乐又来了， 所有不同的乐器都聚集在一起， 发出每个音符， 就像一个坚硬、紧实的拳头， 击打着她的心。 第一部分结束了。