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spiculum是什么意思

spiculum

美['spɪkjələm]  英['spɪkjʊləm]
n.  [动](海参的)骨片;(线虫的)交合刺;(海绵的)骨针
  名词复数:spicula
  近义词:spicule,

英英释义

Noun
  1. small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals
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