electromagnetic radiation emitted during radioactive decay and having an extremely short wavelength
双语例句
用作名词 (n.)
These gamma rays arise when high-velocity particles called cosmic rays collide with gas atoms in the galaxy's disk. 这些伽马射线会在高速运动的宇宙射线与星系圆盘上的气体原子发生碰撞时产生出来。
Very-high-energy gamma rays may be slowed down as they propagate through the quantum turbulence of space-time. 超高能伽马射线在时空的量子乱流中传播时，其速度可能会降低。
