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

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。