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
- 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。 - 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。 - 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。 - 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 Caraway and liquorice compounds reached their peaks in the breast milk two hours after consumption, while the banana compound became undetectable after one hour.
香菜和甘草在乳汁中的含量在进食后2小时达到高峰,而香蕉化合物在1小时后就检测不到了。 - 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。 - Thus, although HAART may achieve undetectable virus levels in the blood, virus replication in the testis may permit continued spread of the virus.
这样,即使高强度的抗病毒治疗能够使得血液中病毒达到检测不到的水平,睾丸组织中病毒的复制仍然可以成为传染源。 - 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。 - 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。 - 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。