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- The sound is virtually undetectable to the human ear.
这声音实际上是人耳难以听得到的。
- The sound is virtually undetectable to the human ear.
英英释义
adj
- barely able to be perceived
- the transition was almost indiscernible
- an almost insensible change
- not easily seen
双语例句
- 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。 - Polar Bears are nearly undetectable by infrared cameras, due to their transparent fur.
红外线摄像机几乎探测不到北极熊,因为它们的皮毛是透明的。 - 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。 - 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。 - They also had undetectable leels of virus in the brain and low leels in the spleen.
而对病毒在脑的水平及在脾中的低水平表达时他们也不能检测。 - 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。 - 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。 - The null result of the Michelson-Morley experiment suggests that the effects of the ether are undetectable.
迈克耳孙-莫雷实验的否定结果使人想到,以太的效应是不能检查到的。 - 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。 - 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。