英语语法分析

Jellyfish are free-swimming members of the phylum Cnidaria.

水母是腔肠动物部的成员。

Jellyfish are part of the Cnidaria group, along with anemones and corals - about 5 per cent of the total.

水母以及海葵和珊瑚是刺胞动物的组成部分——约占总数的5%。

Actually, the term coral is much broader and refers to most of the animals in the class Hydrozoa of the Phylum Cnidaria.

其实珊瑚一词所指的动物甚多，包括大多数属珊瑚虫纲及数动属水螅虫纲的刺胞动物。