undetectable

英 [ʌndɪ'tektəb(ə)l] 美 ['ʌndɪ'tɛktəbl]
  • adj. 发现不了的；无法觉察的
undetectable
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英文词源

undetectable (adj.)
1789, from un- (1) "not" + detectable (see detect (v.)).

双语例句

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。

来自《权威词典》

2. 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.

来自辞典例句

3. One endogenous protein , S 2, became undetectable in old EDL and DIA muscles.
S2在8月龄的膈肌和趾长伸肌存在,而在24月龄的膈肌和趾长伸肌中不能被检测到.

来自互联网

4. There is an undetectable problem in loading the specified device driver.
加载指定的设备驱动程序过程中出现不可检测的问题.

来自互联网

5. The windows are very clean and have undetectable levels of trace elements.
窗体很干净痕迹元素水平低到无法觉察.

来自互联网