the branch of science concerned with the nature and properties of matter and energy. The subject matter of physics, distinguished from that of chemistry and biology, includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms.
物理学。
the physical properties and phenomena of something
物理特性;物理现象
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the physics of plasmas .血浆的物理特性。
"late 15th cent. (denoting natural science in general, especially the Aristotelian system): plural of obsolete