水螅纲

Any of various reef-building hydrocorals of the order Milleporina of tropical marine waters, forming white or yellowish calcareous structures and resembling the true corals of the class Anthozoa.

多孔螅，千孔虫多孔螅目的一种石状水螅建立的珊瑚礁，产于热带海域，形成白色或黄色的石灰质结构，与珊瑚虫纲的真正珊瑚礁相似

The two key link in many types of jellyfish are generational-type and Hydra type.

这两个纲的许多种类都有水母型和水螅型的世代交替。

Any of numerous chiefly colonial marine polyps of the class Anthozoa that secrete such calcareous skeletons.

珊瑚虫任一种珊瑚虫纲的分泌这种石灰质骨骼的众多珊瑚虫，主要是集群菌落的海生水螅型珊瑚虫

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。