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单词 biramous
释义

Definition of biramous in English:

biramous

adjective bʌɪˈreɪməsbīˈrāməs
Zoology
  • (especially of crustacean limbs and antennae) dividing to form two branches.

    〔动〕(尤指甲壳纲动物的肢体和触角)两枝的,具两枝的

    Example sentencesExamples
    • About ten limbs appear to have been present, which may have been biramous.
    • The anteriormost five abdominal appendages are, almost without exception, biramous.
    • The appendages are primitively branched, and although this condition is modified in many species, adults always have at least some biramous appendages.
    • An answer lies, he says, in the origin and modification of the ancestral biramous limb.
    • My biramous appendages are quivering, Mr. President.

Origin

Late 19th century: from bi- 'two' + ramus + -ous.

Definition of biramous in US English:

biramous

adjectivebīˈrāməs
Zoology
  • (especially of crustacean limbs and antennae) dividing to form two branches.

    〔动〕(尤指甲壳纲动物的肢体和触角)两枝的,具两枝的

    Example sentencesExamples
    • An answer lies, he says, in the origin and modification of the ancestral biramous limb.
    • My biramous appendages are quivering, Mr. President.
    • The anteriormost five abdominal appendages are, almost without exception, biramous.
    • About ten limbs appear to have been present, which may have been biramous.
    • The appendages are primitively branched, and although this condition is modified in many species, adults always have at least some biramous appendages.

Origin

Late 19th century: from bi- ‘two’ + ramus + -ous.

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更新时间:2025/6/19 14:14:17