photons
n. [物]光子；[量子]光量子（photon 的复数）
例句
Photons have no mass – they are weightless.
光子没有质量——它们是没有重量的。
《柯林斯英汉双解大词典》
More than the physical reality of photons or sound waves, perception is a product of the brain.
与光子或声波的物理实体不同，感知是大脑的产物。
This gives you a little bit of an idea of just how many individual photons there are in a laser beam of light.
这让你对一束激光中有多少个光子有了一点概念。
