1. According to our present ideas of physics, nothing can travel faster than light.
    根据我们现在物理学的概念，没有什么东西能超过光速。

1. physics

1. 物理;物理学：物理学(PHYSICS)是研究物质世界最基本的结构、最普遍的相互作用、最一般的运动规律及所使用的实验手段和思维方法的自然科学,简称物理物理学(PHYSICS)是研究物质世界最基本的结构、最普遍的相互作用、最一般的运动规律及所使用的实验手段和思维方法的自然科学,

1. 物理学
    Physics is the scientific study of forces such as heat, light, sound, pressure, gravity, and electricity, and the way that they affect objects.

    e.g. ...the laws of physics.
           物理定律
    e.g. ...experiments in particle physics.
           粒子物理实验

1. the science of matter and energy and their interactions

    e.g. his favorite subject was physics

    Synonym: natural philosophy

2. the physical properties, phenomena, and laws of something

    e.g. he studied the physics of radiation

    Synonym: physical science