radioactivity seeker

例句：

1. 1. The team used a radioactivity seeker to locate the source of the radiation.
   团队使用放射性探测仪定位辐射源。
2. 2.The scientist was searching for a radioactivity seeker that could detect even the smallest amounts of radiation.
   科学家在寻找一种能够检测到即使是最小量辐射的放射性探测仪。
3. 3. The search for a new radioactivity seeker has been ongoing for years.
   寻找新的放射性探测仪已经进行了多年。