关于某方面的书籍、报告等有两个介词，其中on表示某专业用书，about则为某方面的普通读物，如：This is a book about physics.即物理科普知识。
［误］ This is a good dictionary in English grammar.
［正］ This is a good dictionary on English grammar.
［析］ 关于某方面的书籍、报告等有两个介词，其中on表示某专业用书，about则为某方面的普通读物，如：This is a book about physics.即物理科普知识。
单词：physics的近义词、反义词、形近词辨析
chemistry/chemist/chemical/physics/physical/physician/physically
记忆：
1. chemist n. 化学家, 药剂师 Do you know the chemist coming to our college? 你认识到我们学校来的那位化学家吗？
2. chemistry n. 化学 Chemistry is a fanscinating course. 化学是门迷人的学科。
3. chemical adj. 化学的 n. 化学药品 The factory must deal with the chemicals carefully. 工厂要小心处理其化学药品。
4. physics n. 物理学 Newton made greatest contributions to classical physics. 牛顿对经典物理学做出了突出的贡献。
5. physical adj. 物理的，体力的 Steaming is a physical change. 蒸发是一种物理变化。
6. physically adv.身体上地 I’m afraid you are not physically fit for the job. 我担心你身体不适合做那项工作。
7. 后缀-an表示“人”，physician n. 医师, 内科医师 If you feel something wrong with you lung, you may go to his father, a famous physician in the hospital.如果你感到肺上有些不舒服，你就到他父亲那儿去吧，他父亲是医院里的著名内科医师。
另类阅读：
Science students have to study chemistry and physics. They must know chemical changes from physical ones, but they are not necessarily to be chemists or physicians. Some of them are not physically strong, either.
与单词：physics 相关的例句或者名人名言
In physics we learned about light.
在物理课中，我们学习了关于光的知识。
She majored in maths and physics at university.
她在大学期间主修数学和物理。
Analogue computers are generalpurpose devices which employ laws of physics for performing mathematical operations.
