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

• 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。
• 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。
• Like a criminal he began to fashion in his own mind the undetectable crime.
  好像一个罪犯，他开始通盘考虑这件不能为外人发现的罪行。
• Fine-grained homogeneous rock ( such as basalt) containing minerals undetectable by the naked eye.
  成分细密的同质岩石（如玄武岩）含有肉眼看不见的矿物。
• There we read the Buddha's words on how cream of ghee is always present within all forms and modifications of milk, but is undetectable until it has been purified of its obscuring elements.
  那里我们读到佛经的文字如何酥油的精华表现为所有的形式和牛奶的改变，但是它是无法察觉的直到它已经给从它遮蔽的元素之中纯化了。
• Instead, their brain waves are very slow and weak, sometime all but undetectable.
  代之为非常缓慢和微弱的脑电波，有时甚至不能监测到脑电活动。
• S.defense technology to China, including data on an electronic propulsion system that could make submarines virtually undetectable.
  技术中包括一种让潜艇不可侦测的电子推进系统有关的数据。
• 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。
• 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。
• 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。