名詞 focus:

1. the concentration of attention or energy on something
   同義詞：focus, focusing, focussing, focal point, direction, centering
2. maximum clarity or distinctness of an image rendered by an optical system
   同義詞：focus
3. maximum clarity or distinctness of an idea
   同義詞：focus
4. a central point or locus of an infection in an organism
   同義詞：focus, focal point, nidus
5. special emphasis attached to something
   同義詞：stress, focus
6. a point of convergence of light (or other radiation) or a point from which it diverges
   同義詞：focus, focal point
7. a fixed reference point on the concave side of a conic section
   同義詞：focus

fo.ci

n.（名詞）
A plural of focus
focus的復數(shù)