foci
英 ['fəʊkɪ]
美['fokəsaɪ]
- n. 焦点；焦距；聚焦（focus的复数）
- n. (Foci)人名；(意)福奇
英英释意
- 1. n the concentration of attention or energy on something
- 2. n maximum clarity or distinctness of an image rendered by an optical system
- 3. n maximum clarity or distinctness of an idea
- 4. n a central point or locus of an infection in an organism
- 5. n special emphasis attached to something
- 6. n a point of convergence of light (or other radiation) or a point from which it diverges
- 7. n a fixed reference point on the concave side of a conic section