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arrowworm是什么意思

arrowworm

美['ærəʊwɜːm]  英['ærəʊwɜːm]
sp.  箭虫
  近义词:chaetognath,

英英释义

Noun
  1. 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
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