radioactive rays
常见例句
- Radium, because of its powerful radioactive rays, can go deep into the human body.
镭，由于它的强有力的放射性线，可以深深射进人体。 - Geometrical conditions are important factors influencing the quality of photos by radioactive rays.
射线照相的几何条件是影响照相质量的重要因素。 - OBJECTIVE:To monitor the guantity of radioactive rays of various instrument which is being used in hospital freguently then avoids the injury to doctor and patients by unforeseen.
目的：防止医院中具有放射性的仪器对医生和患者造成意外伤害。 - Although there were no machines for detecting them systematically before 1935, cosmic rays have left their footprints in the geological record by creating radioactive elements such as the carbon-14 used in carbon-dating.
ECONOMIST: Global warming: In flux The 返回 radioactive rays