vt.
发觉(事物的存在)，发现，察觉(某事)；发觉(某些隐藏的或不易注意的事)：
She detected the odor of gas in the room.
她闻到房里有煤气味。
I detected a note of pity in her voice.
我觉察她话音里带着同情。
(当场)发现(某人在干坏事)；察觉(某人干某事)：
We detected the robbers as they entered the bank.
当盗贼走进银行时我们发现了他们。
I detected her cheating.
我发觉她在欺骗。
侦查出，侦察，查明，探测出，检测出，测出：
The police detected a spy.
警方侦查出一名间谍。
Small quantities of alcohol were detected in the driver's blood.
在司机血液中测出少量酒精。
【无线电、电视】
对…检波
= rectify
= demodulate
[废语]揭露，揭穿，揭发，揭示，暴露