
好词典

源自前缀 'un-'(表示否定)和 'detected'(被发现),意为未被发现的。
❶ 未被发现的,未被察觉的。指某事物或情况没有被注意到、发现或识别出来。
“The virus remained undetected for months.”
(这种病毒数月未被发现。)
“The spy moved undetected through the crowd.”
(间谍在人群中未被察觉地穿行。)
go undetected — 未被发现或察觉,通常指某事物或行为未被注意到或识别出来。
“The hacker's activities went undetected for a long time.”
(黑客的活动长时间未被发现。)