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单词 peristomium
释义

Definition of peristomium in English:

peristomium

noun ˌpɛrɪˈstəʊmɪəm
  • Zoology. The first true somite of certain annelids (such as earthworms), bearing the mouth.

Origin

Early 19th century (in an earlier sense). From peri- + ancient Greek στόμα mouth + classical Latin -ium.

Definition of peristomium in US English:

peristomium

nounˌpɛrɪˈstəʊmɪəm
  • Zoology. The first true somite of certain annelids (such as earthworms), bearing the mouth.

Origin

Early 19th century (in an earlier sense). From peri- + ancient Greek στόμα mouth + classical Latin -ium.

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更新时间:2025/6/19 16:56:37