gammarid

例句：

1. 1.The gamma radiation from the radioactivesource is dangerous to humans.
   放射性源产生的伽马辐射对人类是危险的。
2. 2. The gammarays are used in medical imaging for detecting tumors.
   伽马射线在医学成像中用于检测肿瘤。
3. 3. Thegamma rays were detected bythe detector, which was placedat a safe distance from the source.
   探测器探测到了伽马射线，它被放置在离源安全距离的地方。