| 单词 | arrowworm |
| 释义 | arrowworm (extremely rare) n WORD FAMILY arrowworm n any worm of the Chaetognatha; transparent marine worm with horizontal lateral and caudal fins and a row of movable curved spines at each side of the mouth Syn|Hypo|Hyper chaetognath sagitta any arrowworm of the genus Sagitta worm any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae |
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