学习资料

[意       思]n. 中心，集中点，重点
[例]  She always wants to be the focus of attention. 她老想成为人们注意的中心。
n. 聚焦，聚光点
[例]  He took out the binoculars and adjusted the focus. 他取出双筒望远镜并调整了焦距。
vt. 调焦距，对焦
[例]  He focused the camera and took a photo. 他对好焦距，照了一张相。
vt. （使）特别注意，集中注意力于
[例]  When studying,he focused his mind on his lessons. 读书时，他集中心思于功课上。

更多意思

n.1.  焦点
2.  焦距，调焦
3.  [物]焦点，源
4.  [地]震源

vt.1.  集中（注意力、精力等）于
2.  使调节焦距
3.  集中（光束于），聚焦（于）

vi.1.  集中（注意力、精力等）
2.  调节焦距

参考例句

1.	The focus on my camera isn't working properly.
	我的照相机上的调焦装置有毛病。
2.	Her beauty makes her the focus of attention.
	她长得漂亮,很惹人注目。
3.	In tonight's programme our focus is on Germany.
	在今天晚上的节目中我们重点介绍德国。
4.	Bring the object into focus if you want a sharp photograph.
	要照出清晰的照片,就要把焦点对准物体。
5.	The children's faces were badly out of focus in the photograph.
	照片上孩子们的面部非常模糊。