Zoology. On certain aquatic invertebrates: a part within a sucker which can be retracted when it is placed on a surface, producing a partial vacuum…
| 单词 | θ33237 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Cephalopoda > [noun] > member of > parts of > retractile part in sucker (2) piston1841 Zoology. On certain aquatic invertebrates: a part within a sucker which can be retracted when it is placed on a surface, producing a partial vacuum… plug1854 Zoology. = piston, n. 2. Obsolete. rare. |
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