单词 sipunculoid 释义 sipunculoid, n. and a. Zool.[-oid.]A. n. Any member of the group Sipunculoidea of gephyrean worms.1857Agassiz Contrib. Nat. Hist. U.S. I. 78 The Sipunculoids appear to be more closely related to the Annulata than to the Holothurioid...