查询词典 hydrozoans

Any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans.

大量的、经常在海中自由游动的腔肠动物，它们组成水螅和钵水母的两性繁殖的形式。

A gas-filled sac serving as a float in some colonial marine hydrozoans, such as the Portuguese man-of-war.

气囊，浮囊在某些群居的海生水螅纲动物中，用作漂浮物的一种充气小囊，如葡萄牙的僧帽水母的浮囊

A horny external covering that encloses the polyp colonies of certain hydrozoans.

主要为落叶性雌雄同体乔木或灌木的一个属；角树。

A material impervious to water .A gas-filled sac serving as a float in some colonial marine hydrozoans, such as the Portuguese man-of-war.

气囊，浮囊在某些群居的海生水螅纲动物中，用作漂浮物的一种充气小囊，如葡萄牙的僧帽水母的浮囊

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。