友情提醒：点击  ，可以收听真人发音
effective [i'fektiv]    添加到生词本 复制网址
基本释义
  • a. 有效的,有力的,实际的
    n. 有生力量
词形变化
  • 名　词：ef·fec'tive·ness, ef'fec·tiv'i·ty
参考例句
    1. Window screens are effective in keeping out mosquitoes.
      纱窗能有效地挡住蚊子。
    2. This car polish is an effective shield against rust.
      这种汽车上光蜡很有防作用.
    3. Tomorrow is the effective date of regulations.
      明天就是条例的生效日期。
    4. The medicine is an effective cure for a headache.
      这种药治头痛有很好的疗效.
    5. He was an effective supporter of reform.
      他是改革的有力支持者。
英英解释

  • 　6个形容词解释

    1. producing or capable of producing an intended result or having a striking effect
      [同] effective, effectual, efficacious
      [反] ineffective, ineffectual, uneffective
      [例]
      • an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation
      • effective teaching methods
      • effective steps toward peace
      • made an effective entrance
      • his complain
    2. able to accomplish a purpose; functioning effectively
      [同] effective, efficient
      [例]
      • people who will do nothing unless they get something out of it for themselves are often highly effective persons...
      • effective personnel
      • an efficient secretary
      • the efficient cause of the revolution
      3. show all ... ( 6 )