focus
- n. 焦点；中心；清晰；焦距
- vt. 使集中；使聚焦
- vi. 集中；聚焦；调节焦距
- n. (Focus)人名；(瑞典)福库斯
英英释意
- 1. the concentration of attention or energy on something;
- "the focus of activity shifted to molecular biology"
- "he had no direction in his life"
- 2. maximum clarity or distinctness of an image rendered by an optical system;
- "in focus"
- "out of focus"
- 3. maximum clarity or distinctness of an idea;
- "the controversy brought clearly into focus an important difference of opinion"
- 4. a central point or locus of an infection in an organism;
- "the focus of infection"
- 5. special emphasis attached to something;
- "the stress was more on accuracy than on speed"
- 6. a point of convergence of light (or other radiation) or a point from which it diverges
- 7. a fixed reference point on the concave side of a conic section