detect
verb [ T ] uk/dɪˈtekt/ us/dɪˈtekt/
C1 （尤指用特殊方法）发现，察觉，看出
to notice something that is partly hidden or not clear, or to discover something, especially using a special method
Some sounds cannot be detected by the human ear. 有些声音是人的耳朵无法察觉到的。
Financial experts have detected signs that the economy is beginning to improve. 金融专家已经注意到了经济开始有好转的迹象。
C1 （通常指用特殊设备）探测，检测，测出
to discover something, usually using special equipment
High levels of lead were detected in the atmosphere. 经检测发现大气中铅的含量很高。
Radar equipment is used to detect (= find the position of) enemy aircraft. 雷达装置用于探测敌机的位置。
- More examples
- The alarm should go off automatically as soon as smoke is detected.
- Many serious illnesses can be nipped in the bud if they are detected early enough.
- I thought I could detect a slight West Country accent.
- In the future, cars equipped with on-board computers will be able to detect and avoid traffic jams automatically.
- I could detect subtle variances in fragrance as we strolled through the garden.