detector
柯林斯词典
1. N-COUNT A detector is an instrument which is used to discover that something is present somewhere, or to measure how much of something there is. 探测器
...a metal detector. …一架金属探测器。
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detector /dɪˈtɛktə/ (detectors)
剑桥词典
- a device used to find particular substances or things, or measure their level
探测器；测量器
a metal /smoke detector 金属／烟雾探测器 返回 detector