focus on: 集中精力於某事.例子如下：(focussing, focussed, focuses)1 關注The research effort has focused on tracing the effects of growing levels of five compounds.研究集中跟蹤5種化合物水平上升帶來的影響。Today he was able to focus his message exclusively on the economy.今天他能夠將重點聚焦在經濟方面。2 使 (眼睛、相機、望遠鏡或其它儀器) 對焦; 聚焦Kelly couldn"t focus his eyes well enough to tell if the figure was male or female.凱利無法看清那個人影是男的還是女的。His eyes slowly began to focus on what looked like a small dark ball.他的眼睛開始慢慢聚焦到那個小黑球似的東西上。3 把 (光線) 聚焦Magnetic coils focus the electron beams into fine spots.磁線圈將電子束聚焦成細小的點。
focus on: 集中精力於某事.例子如下：(focussing, focussed, focuses)1 關注The research effort has focused on tracing the effects of growing levels of five compounds.研究集中跟蹤5種化合物水平上升帶來的影響。Today he was able to focus his message exclusively on the economy.今天他能夠將重點聚焦在經濟方面。2 使 (眼睛、相機、望遠鏡或其它儀器) 對焦; 聚焦Kelly couldn"t focus his eyes well enough to tell if the figure was male or female.凱利無法看清那個人影是男的還是女的。His eyes slowly began to focus on what looked like a small dark ball.他的眼睛開始慢慢聚焦到那個小黑球似的東西上。3 把 (光線) 聚焦Magnetic coils focus the electron beams into fine spots.磁線圈將電子束聚焦成細小的點。