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单词
Heteractinida
释义
Heteractinida
[´hed·ǝ·rak`tin·ǝd·ǝ]
PALEONTOLOGY
A group of Paleozoic sponges with calcareous spicules; probably related to the Calcarea.
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spiran
spiraster
spire
spiricle
Spiriferida
Spiriferidina
Spirillaceae
Spirillinacea
spirit
spirit compass
spirit duplicating
spirit level
spirit stain
spirit thermometer
spirit varnish
spiro atom
Spirobrachiidae
Spirochaetaceae
Spirochaetales
spirochetal jaundice
spirochete
spirochetemia
spirocyst
spirograph
spirometry
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