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undetectable

英 [ˌʌndɪˈtektəbl]

美 [ˌʌndɪˈtektəbl]

adj.  看不见的; 察觉不出的; 发现不了的

BNC.33908 / COCA.22327

牛津词典

    adj.

    • 看不见的;察觉不出的;发现不了的
      impossible to see or find
      1. The sound is virtually undetectable to the human ear.
        这声音实际上是人耳难以听得到的。

    英英释义

    adj

    • barely able to be perceived
      1. the transition was almost indiscernible
      2. an almost insensible change
      Synonym:indiscernibleinsensible
    • not easily seen

      双语例句

      • Osteopontin-c was detected in16 of the20 tumors ( 80%) and was undetectable in the22 normal specimens, the researchers report.
        研究人员报告在20个肿瘤中有16检测到骨桥蛋白C(80%),但在22例正常标本中没有被检测到。
      • But that means the soul isn't really undetectable.
        但是这就意味着,灵魂不是完全不可检测的。
      • Seven out of eight patients who got the highest dose of the drug had undetectable levels of the virus.
        八名患者中七名在服用最大剂量药物后探测不到病毒水平。
      • Be careful to benchmark before making a decision on this basis: the overhead of Spring AOP proxying is all but undetectable in normal use.
        在这个基础上做决定前要小心基准:SpringAOP代理的负载在通常使用中是无法觉察到的。
      • So Plato could still insist things that are invisible in the sense of undetectable can't be destroyed.
        所以柏拉图仍旧可以坚持说无形的东西,无形这里指不能检测到,是不能毁灭的。
      • Three months after ribavirin therapy commenced, HEV RNA was undetectable in serum samples from all patients.
        在开始单独使用利巴韦林治疗后,所有患者血清样本中检测不到HEVRNA水平。
      • It's still possible that some as-yet-unknown genetic factor, undetectable by even the most advanced tools, may explain the discordance in the study.
        仍然有可能的是,一些未知的遗传因素,即使是最先进的工具也发现不了,这些也许能解释研究中不一致的地方。
      • In recent years, scientists have demonstrated that subtle chemical variations in many foods, including honey undetectable to the tongue or the naked eye can give a strong indication of where it originated.
        近年来,科学家已证明,在包括蜂蜜在内的许多食物中,通过舌头和肉眼均无法察觉的细微化学变化,可以充分表明其原产地是哪儿。
      • Shock, with diminished consciousness, lack of urine output, cool, moist extremities, a rapid and feeble pulse, low or undetectable blood pressure, and pale skin.
        休克,意识减弱,尿少,体凉,四肢潮湿,脉动快速和微弱,低血压或检测不到血压,皮肤苍白。
      • The peak force and peak pressure greatly increased in some donor great toes, but distinctly decreased, even undetectable for some others.
        部分供足砪趾的峰压力、峰压强异常增高,而另有部分供趾的则明显降低甚至缺失;