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单词 ring canal
释义

Definition of ring canal in English:

ring canal

noun
Zoology
  • A circular canal around the mouth, especially one forming part of the digestive system of some coelenterates or the water-vascular system of echinoderms.

Origin

Mid 19th century; earliest use found in Student & Intellectual Observer.

Definition of ring canal in US English:

ring canal

noun
Zoology
  • A circular canal around the mouth, especially one forming part of the digestive system of some coelenterates or the water-vascular system of echinoderms.

Origin

Mid 19th century; earliest use found in Student & Intellectual Observer.

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更新时间:2024/10/19 15:34:13