单词 | spicule |
释义 | spicule [`spik·yül] ASTRONOMY One of an irregular distribution of jets shooting up from the sun's chromosphere. Also known as solar spicule. BOTANY An empty diatom shell. INVERTEBRATE ZOOLOGY A calcareous or siliceous, usually spikelike supporting structure in many invertebrates, particularly in sponges and alcyonarians. |
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