ADJ If you are undetected or if you do something undetected, people do not find out where you are or what you are doing. 未被发现的
The spy ring had a fifth member as yet still undetected.
特务团伙的第五名成员仍未被发现。
They managed to get away from the coast undetected.
他们设法了离开海岸，并未被人发现。
The spy ring had a fifth member as yet still undetected.
特务团伙的第五名成员仍未被发现。
How could anyone break into the palace undetected?
怎么会有人神不知、鬼不觉地潜入皇宫呢？
They managed to get away from the coast undetected.
他们设法了离开海岸，并未被人发现。
"This capability allows the Strike Eagle to fly undetected, deep into enemy territory and deliver its ordinance."
VOA: standard.2009.11.15
"In 2008,the Greek Coast Guard reported the arrival of 2,648 unaccompanied children, but many more are believed to have entered the country undetected.
VOA: standard.2009.08.29
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