undetectable

🇺🇸 /ˌʌndɪˈtektəbl/ 🇬🇧 /ˌʌndɪˈtektəbl/
詞頻
難度
標籤 TOP20000
adjective
R

so small or hidden that it cannot be noticed or found

The spy's hidden camera was undetectable to the security team.

間諜隱藏的攝像頭對保安團隊來說是不可檢測的。

translation

adj. 無法檢測