The asexual polyp in the life cycle of a hydrozoan.
水螅虫类生命循环中得无性生殖水螅虫。
a horny external covering that encloses the polyp colonies of certain hydrozoans
包在某些水螅体外的角质物
A horny external covering that encloses the polyp colonies of certain hydrozoans.
围膜包在某些水螅体外的角质物
Small tubular solitary freshwater hydrozoan polyp.
淡水中独居的管状小型水螅。
英文例句大全为您提供hydrozoa英文例句大全,hydrozoa英文造句,关于hydrozoa的英语句子,单词hydrozoa怎么造句,hydrozoa英文例句大全有哪些,哪些英语句子是关于hydrozoa,英语单词hydrozoa的句子,单词hydrozoa如何造句,hydrozoa怎么造句等。