英文释义
v direct one's attention on something
v cause to converge on or toward a central point
v bring into focus or alignment; to converge or cause to converge; of ideas or emotions
v become focussed or come into focus
v put (an image) into focus; we cannot enjoy the movie"
a being in focus or brought into focus
s (of light rays) converging on a point
中文释义
n. [物理学]焦点；[光学](镜头的)焦点, 焦距
vt. 使聚焦, 使集中于焦点：；调节(眼睛、透镜等的)焦距；定…的焦点；使(眼睛)注视：
vi. 聚焦；集中于焦点, 注视：；(照相机)对准焦点(于)；调焦距
