| 单词 | brown tubes |
| 释义 | > as lemmasbrown tubes brown tubes n. plural (see quot.). ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [noun] > class Gephyrea > group Sipunculoidea > member of > excretory organs of brown tubes1902 1902 Encycl. Brit. XXXII. 637/1 The excretory organs [of the Sipunculoidea]..serve as channels by which the reproductive cells leave the body, and they are sometimes spoken of as ‘brown tubes’. < as lemmas |
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