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

• And the distance between driving a used Hyundai Elantra and a new Jaguar XJ is well nigh undetectable compared with the difference between motoring and hiking through the muck.
  试想一下，开一辆二手的现代伊兰特与开一辆崭新的美洲豹XJ之间的差别，肯定没有开车与徒步跋涉烂泥滩之间的差别明显。
• 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。
• 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；
• The advantage to criminals is that kernel malware is usually undetectable when using standard antivirus and antispyware applications.
  罪犯的优势是内核恶意软件用标准抗病毒和抗间谍应用程序通常检测不到。
• The implication is that the effect is to make what was undetectable detectable.
  这就意味着它的效果，就是让未曾现形的密码现形。
• Although hair transplants have advanced to the stage where they are virtually undetectable ( no more plugs of hair), they still rely on moving hairs from one place to another.
  虽然头发移植技术已经发展到使种植的毛发外观自然（与周围的头发无区别），但该技术仍然要靠从一皮瓣到另一条皮瓣置换。
• 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。
• All welds shall be undetectable in finished work.
  完成设备的所有焊接应无法探察。
• 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。
• It was more likely that the virus was still present but had retreated to undetectable levels in MR stimpson's blood.
  这更象是病毒依然存在，只是血液中病毒的量已经少到检测不出的水平。