The other part: symmetry roe shape or the Pearl like small papules, there will be a few polyps, generally not fusion, with small growth, there will be a small touch feeling.
其他部分出现：对称性鱼子形态或珍珠样的小丘疹，少数会出现息肉情况，一般不融合，会以小群生长，碰下会有小粒状感觉。
Coral reefs are rock like structures built by layers of coral organisms, called polyps.
珊瑚礁是硬如岩石的结构建筑分层的珊瑚有机体，称为水虫息。
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