| 单词 | 堆上 |
| 释义 | 〔obelia〕Any of various colonial marine hydroids of the genusObelia, having various specialized feeding and reproductive polyps and growing in a branchlike form. Colonies of obelia are found as a delicate furlike growth on the wooden piles of piers and wharves. 薮枝螅：一种薮枝螅 属集群水螅，有各种专门喂食和繁殖的水螅虫，以枝条状形式生长，水螅群如细薄皮毛般生长在桥墩和码头的木堆上 |
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