focus的意思

vt.& vi. （使）集中，（使）聚集；調(diào)整（鏡頭，眼睛）焦點[焦距]以便看清；

vt. 調(diào)整（眼睛或者鏡頭的）焦距；集中（光束于）；聚焦，注視；集中注意力

n. 焦點；影象的清晰度；（活動、注意力、興趣等的）中心；[醫(yī)]病灶，病癥

focus的用法

用作不及物動詞

S+～(+A)

A defect of vision prevented him from focusing accurately.

視力缺陷使他無法準(zhǔn)確聚焦。

He must be very tired today, he doesn't seem to focus at all.

他今天一定很累,他似乎無法專心思考。

用作及物動詞

S+～+n./pron.

He focuses the lens of a microscope.

他調(diào)整顯微鏡的鏡片以定焦點。

His eyes were so tired that he had difficulty focusing it.

他的眼睛累了,無法準(zhǔn)確聚焦。

Unless the object is properly focused the photograph will be blurred.

除非把焦距調(diào)準(zhǔn),否則拍出的照片是不清楚的。

用作名詞(n.)

The camera has two focuses.

這部相機有兩個焦距。

She was the focus of everyone's attention.

她是大家注意的焦點。

He is adjusting the focus of camera.

他正在調(diào)相機的焦距。

The coffee shop is the focus of social life in French.

在法國,咖啡館是社交生活的中心。

focus的用法例句

1. In the background, in soft focus, we see his smiling wife.

在背景部分，我們可以看到他妻子面帶微笑的蒙影像。

2. Their talks are expected to focus on arms control.

他們的會談預(yù)計會集中討論軍備控制問題。

3. These issues were brought into sharp focus by the Gulf crisis.

海灣危機讓這些問題備受關(guān)注。

4. Today he was able to focus his message exclusively on the economy.

今天他得以將主題全部集中在經(jīng)濟方面。

5. They focus on overt discrimination rather than insidious aspects of racism.

他們關(guān)注的是公開的歧視，而不是種族主義的一些潛在問題。

6. IBM has also shifted its focus from mainframes to personal computers.

IBM公司也把重心從特大型機轉(zhuǎn)向了個人電腦。