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stem [stem]    添加到生词本 复制网址
基本释义
  • n. 茎,柄,船首,血统,堵塞物
    vt. 摘掉茎,装柄于,阻止,堵住,逆行
    vi. 堵住,逆行
    vi:起源于
    n. 词干，语干
词形变化
  • 时　态：stemmed, stem·ming, stems
常用短语
    1. stem blight
      茎枯病
    2. stem cell
      干细胞，骨髓干细胞，成血细胞
    3. brain stem
      脑干
参考例句
    1. Boldness of execution stems from superb skill.
      艺高人胆大。
    2. The small boat could not stem the rushing tide.
      这条小船顶不住汹涌奔腾的潮流。
    3. His error stemmed from carelessness.
      他的错误是由于粗枝大叶而造成的。
    4. The trouble stemmed from poor planning.
      那个问题是由于计划不周全而产生的。
    5. Our ship stemmed on against the current.
      我们的船逆流而行。
英英解释

  • 　6个名词解释

    1. (linguistics) the form of a word after all affixes are removed
      [同] base, radical, root, root word, stem, theme
      [例]
      • thematic vowels are part of the stem
    2. a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
      [同] stalk, stem
      3. show all ... ( 6 )

    　4个动词解释

    1. grow out of, have roots in, originate in
      [例]
      • The increase in the national debt stems from the last war
    2. cause to point inward
      [例]
      • stem your skis
      3. show all ... ( 4 )