Most of the main groups of the animal kingdom—arthropods, brachiopods, coelenterates, echinoderms, molluscs and even chordates, the branch from which vertebrates went on to develop—are found in the fossil beds of the Cambrian.

们在寒武纪群落里发现了动物王国的主要动物集群，包括腕足、腔肠、棘皮、软体和索（椎动物进化的分支）。

Thanks to the work of polyps, a slow but steady upheaval will someday connect these islands to each other.

由于珊瑚这种腔肠动物所起的作用，造成地面缓慢地，地上升，因此，将来一定有一天会把这些小岛接起来。