vt., vi.-s- 或 -ss-1. 使集中于焦点；集中to focus one's mind on work集中精力于工作
You must try to focus your mind on work and study. (喻)你应该努力把思想集中在工作的学习上。
All eyes were focused on the speaker. (喻)大家的目光都集中在发言人身上。
2. 调焦距This photograph looks funny; I think you forgot to focus the camera.这张照片看上去有些滑稽，我想你是忘了给照相机调焦距了。