undetectable
adjective /ˌʌndɪˈtektəbl/
/ˌʌndɪˈtektəbl/
- impossible to see or find
看不见的;察觉不出的;发现不了的 - The sound is virtually undetectable to the human ear.
这声音实际上是人耳难以听得到的。
Collocations DictionaryUndetectable is used with these nouns:- level
- The sound is virtually undetectable to the human ear.