n. the science of matter and energy and their interactions
n. the physical properties, phenomena, and laws of something
n. 物理学, 物理过程, 物理现象
[化] 物理; 物理学
1. Physics helps us understand how the universe works.
物理学帮助我们理解宇宙是如何运作的。
2. Many students find physics challenging but interesting.
很多学生觉得物理学有挑战性但也很有趣。
3. We use physics to explain everyday phenomena like gravity.
我们使用物理学来解释日常现象，比如重力。