detects , detecting , detected
To detect something means to find it or discover that it is present somewhere by using equipment or making an investigation.
a sensitive piece of equipment used to detect radiation.
一台探测辐射的敏感仪器。
Most skin cancers can be cured if detected and treated early.
如果检测和治疗得早,大多数皮肤癌能被治愈。
If you detect something, you notice it or sense it, even though it is not very obvious.
Arnold could detect a certain sadness in the old man's face.
阿诺德能察觉到老人脸上的某种悲伤。