及物动词concealhide
及物动词
1. detect是什么意思
1. He was detected in the act of stealing.
他在偷窃时被当场发觉。
2. The dentist could detect no sign of decay in her teeth.
牙医在她的牙齿上找不到蛀蚀的迹象。
3. I detected anger in her voice.
我察觉出她说话声里含着愤怒。
4. He soon detected the faulty valve.
他很快查到了出毛病的阀门。
5. A policeman detects criminals.
警察侦察出罪犯。