灵验的英文：
efficaciousness
efficatious

参考例句：
  • an efficacious remedy
    灵验的药物
  • This medicine is highly efficacious.
    这药很灵验。
  • Does he ever prophesy right?
    他的预言灵验吗?
  • This medicine is highly efficacious
    这药很灵验。
  • Last year's divination had proved all too accurate
    去年他们“卜”的非常灵验。
  • This mew medicine has worked wonders for my stomachache.
    这种新药治我的胃痛很灵验。
  • But the "fateful" garlic proved to be not so psychic after all
    然而那“命运”的大蒜头这次竟不灵验。
efficaciousness是什么意思：
n. 有效;灵验
  • feeling of efficacy
    效力感
  • The efficacy of the medicine is satisfactory.
    这药的药效令人满意。
  • Saturation does not increase efficacy.
    饱和剂并不增加疗效。
  • The efficacy of this intervention has not been determined conclusively.
    这种干预的功效尚未最后确定。
  • Because it has the same efficacy as operative knife.
    因为它能起到手术刀一样的效果。
efficatious是什么意思：
灵验(指疗效)

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