| 释义 |
Definition of acorn worm in English: acorn wormnoun A burrowing wormlike marine animal of shallow waters. Its body consists of a proboscis, a collar, and a long trunk with gill slits, and contains a structure resembling a notochord. Class Enteropneusta, phylum Hemichordata Example sentencesExamples - These coils often seen on the sand have been processed by the acorn worm.
- The cilia on the larvae of acorn worms capture algae.
- An acorn worm isn't much more than a thin, cylindrical bag with a head and collar resembling an acorn.
- Pterobranchs as very different from acorn worms; they form colonies in which the individuals are interconnected by stems, or stolons.
Definition of acorn worm in US English: acorn wormnoun A burrowing wormlike marine animal of shallow waters. Its body consists of a proboscis, a collar, and a long trunk with gill slits, and contains a structure resembling a notochord. Class Enteropneusta, phylum Hemichordata Example sentencesExamples - Pterobranchs as very different from acorn worms; they form colonies in which the individuals are interconnected by stems, or stolons.
- An acorn worm isn't much more than a thin, cylindrical bag with a head and collar resembling an acorn.
- The cilia on the larvae of acorn worms capture algae.
- These coils often seen on the sand have been processed by the acorn worm.
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