1. Research Man: Do scientist missions up to the advanced detector one. 研究人员：使用第四级探测器完成科学家任务。
2. In keeping with security regulations, everyone must pass through the metal detector. 按照保安规则，每个人都必须通过这个金属探测器。
3. The detecting device includes a light source, a rotatable detecting polarizer and a light detector. 检测装置包括一光源、一可旋转的检测偏光片以及一光检测器。
英英解释
n.
1. any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and resp
2. rectifier that extracts modulation from a radio carrier wave
3. electronic equipment that detects the presence of radio signals or radioactivity
