介词in at with的区别 (within介词用法)

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介词within 是介词with和in的合成词,意思为:“在……之内,在……里,在……心中,看得见,听得见,够得着”

within 的短语可以表示时间,表示地点,强调在某一范围之内。

1.作状语

you should receive a reply within seven days.

你应该会在七天之 收到答复。

Within 24 hours, the deal was completed.

交易在24个小时之 完成的。

Exercise within your comfortable limit.

要适度锻炼。(在舒服的范围之 锻炼)

2.作表语

Is it within walking distance?

那你步行走得到吗?(那里在步行的范围之 ?)

That question is not within the scope of this talk?

那个问题不会在本次会谈范围之

We are now within range of enemy fire.

我们现在处于敌人的火力射程之 .

It was within easy walking distance of the hotel.

那里离旅店尽几步之遥。(几步范围之 )

3.作定语

You can find a house within a mile of the station.

你能在离车站不到一英里 找到一间房子.

4.作介词宾语

The noise seems to be coming from within the building.

吵闹声似乎是从楼房 传出来的。

高考中常见的60个介词,with, within without是排在最后的。需要谨记的是介词从来不能够单独使用,必须构成介词短语,其后常跟名词,代词,动名词,但是也可以跟其他的可能性,比如:

1.数词 seven in ten 7/10

2.动词原形

I had nothing to do but wait.

我无事可做, 能等候

3.形容词

In brief, the meeting was a disaster.

简而言之,那场会议很糟糕.

4.副词

From then on, he started playing tennis and never stopped.

从那时起,他开始打网球就再也没有停止过.

5.介词短语

The shoot grew from around the log.

嫩芽从圆木的周围长出来。

6.不定式

He had no alternative to leave.

他没有别的选择, 能离开。

7.从句

We learn much from what the teacher teaches us.

我们从老师教的东西中学到了很多。