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maintain [men'tein]    添加到生词本 复制网址
基本释义
  • vt. 维修,保养;维持,保持;坚持,主张;供养,扶养
词形变化
  • 时　态：main·tained, main·tain·ing, main·tains
    名　词：main·tain'er
    形容词：main·tain'a·ble
参考例句
    1. He maintained that it was wrong.
      他坚持认为这是错误的。
    2. The car has always Been properly maintained.
      这汽车一直保养得很好。
    3. Maintain one's composure.
      保持冷静
    4. She struggled to maintain her composure.
      她竭力保持镇静。
    5. A substance believed to maintain life indefinitely.
      长生不老药被认为可以使生命无限的物质
英英解释

  • 　10个动词解释

    1. keep in a certain state, position, or activity; e.g.,
      [同] hold, keep, maintain
      [例]
      • keep clean
      • hold in place
      • She always held herself as a lady
      • The students keep me on my toes
    2. keep in safety and protect from harm, decay, loss, or destruction
      [同] conserve, keep up, maintain, preserve
      [例]
      • We preserve these archeological findings
      • The old lady could not keep up the building
      • children must be taught to conserve our national heritage
      • The museum curator conserved the ancient manuscripts
      3. show all ... ( 10 )