A near-sighted person cannot focus accurately on distant objects.
一个近视的人不能够准确地调节眼睛以看到远处物体。
focus sth on sthHe focused the sun's rays on a paper with a burning-glass.
他用一面凸透镜把阳光聚焦在纸上。
If you focus bright sunlight on dry wood with a glass, it will start burning.
假如你用镜子将强烈的阳光聚焦于干燥的木头上,它便会燃烧起来。
focus on sth/v-ingToday we're going to focus on the question of homeless people.
今天,我们主要讨论无家可归者的问题。
Many firms are focusing on increasing their markets overseas.
许多商行都在注意在国外扩大市场。
focus sth on sb/sthHe focused his mind on his lessons.
他把心思集中在功课上。
You should focus your attention on your work.
你应该聚精会神地工作。
We must focus our attention on the question of reducing costs.
我们必须将注意力集中在降低费用的问题上。
When the coin failed to appear, attention was focused once more on poor Lebeau.
当找不到那枚古币以后,大家的注意力再次转到勒保身上。
All eyes were focused on him when he came in.
他进来时大家都注视着他。
focus on sth/v-ingToday, we're going to focus on the relationship between freedom and necessity.
今天,我们将集中讨论自由和必然之间的关系这一问题。
This year our meeting focuses on the question of children's rights.
今年我们会议的中心问题是儿童权益问题。
The show focuses on making fun of politicians.
这场演出旨在嘲弄那些政客。