| 单词 | chaetognath |
| 释义 | Word Frequency chaetognath(ˈkiːtɒɡˌnæθ) noun any small wormlike marine invertebrate of the phylum Chaetognatha, including the arrowworms, having a coelom and a ring of bristles around the mouth Word origin C19: New Latin Chaetognatha, literally: hair-jaw, from chaeta + Greek gnathos jaw |
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