1.pharmacy n．药房(drugstore)；药剂学

词根记忆：来自pharma(n．药，毒)

例：Our total sales have increased this year by 20 percent since we added a pharmacy section to our grocery store..

派生词：pharmaceutical(a．药学的，药用的)：pharmacologist(n．药理学家)

2.phase n．阶段（a distinguishable part in a course, development or cycle

记：月亮的“月相”（新月，上弦，满月，下弦）也叫phase

注意：phrase(n．短语)

例：Pesticide sprayings were timed to coincide with various phases of the life cycles of the insects they destroyed.

3.phenomenon n．现象(an observable fact or event);奇迹(a rare or significant fact or event)

词根记忆：phen(=phan出现)+omenon--现象

例：Two divergent views of a scientific phenomenon are reconciled.

派生词：phenomenal(a．现象的；显著的)

4.philanthropic a．慈善的，乐善好施的(benevolent)

词根记忆：phil(爱)+anthrop(人)+lc--爱人的--慈善的

例：Philanthropic donations have provided some support for the hospitals.

5.philosophy n.哲学(search for knowledge and understanding of the nature and meaning of the universe and of human life);哲理，见解(the most basic beliefs, concepts, and attitudes of an individual or group)

词根记忆：philo(爱)+soph(智慧)+y--爱智慧--哲学

例：In most fields, the prevailing philosophy never stays in place very long.

6.photon n.光子，光量子（a quantum of electromagnetic radiation）

词根记忆：photo(照片：光)+n--光子

例：Virtually all astronomers rely on the detection of photons to know about objects outside the solar system.

同根词：photoperiod（n.光周期）

7.photosynthesis n.光合作用(process by which green plants convert carbon dioxide and water into food using the energy in sunlight)

词根记忆：photo(光)+synthesis(综合)--光合作用

例：Symbiotic cells of algae carry out photosynthesis.

同根词：photics(n.光学)

8.physiological a．生理的(of, or concerning the bodily functions);生理学上的(of, or concerning physiology)

词根记忆：来自physiology(n．生理学)

例：Taken in large quantities, these substances could have serious health effects, but they are present in quantities far too low to cause any physiological response in people who drink the water or bathe in it.

派生词：physiologically( ad.生理学方面)

同根词：physiologist(n.生理学家)

9.physiology n.生理学(a branch of biology that deals with the functions and activities of life or of living matter and of the physical and chemical phenomena involved)；生理学上的(the organic processes and phenomena of an organism or any of its parts or of a particular bodily process)

词根记忆：physio(生理的)+logy(学科)--生理学

例：Eusocial(完全群居的)insects' roles are defined by their behavior, body shape, and physiology.

派生词：physiological(a．生理学的；生理的)