around/about/approximately/roughly.导航词义：大约

1. around:adv. 大约.多用于非正式场合，常见于美国英语。也用作 around about。

She has around ten million US dollars in the bank.

她在银行里存有大约一千万美元。

Janet left here around seven o'clock.

珍妮特大约7点钟离开这里的。

2. about:adv. 大约.表示实际数量可多可少或数值、尺寸等可大可小，也作 round about。

They left the museum at about 10 o'clock.

他们10点左右离开了博物馆。

He lives about 5 miles away.

他住的地方离这里5英里左右。

3. approximately:adv. 大约.多用于书面语，强调接近精确数值、数量、时间等，误差较小。

The plane will be taking off in approximately ten minutes.

飞机大约10分钟后起飞。

He owes me approximately 400 US dollars.

他欠我大约400美元。

4. roughly:adv. 粗略地，大致上.指按粗略估计，不强调十分接近精确数值。

There were roughly 300 people there.

那里大约有300人。

The Antarctica is a continent centred roughly on the South Pole.

南极洲是一片大致以南极为中心的大陆。

全部

1·Sales are up by roughly 10%.

销售额上升了大约10%。《牛津词典》

2·Profits have fallen by roughly 15%.

利润下降了大约15%。《牛津词典》

3·They all left at roughly the same time.

他们都是大约同一时间离开的。《牛津词典》

4·Iraq's population is roughly half Shi'ite.

伊拉克人口大约半数是什叶派教徒。《柯林斯英汉双解大词典》

5·He knew roughly what was about to be said.

他大致知道该说些什么。《柯林斯英汉双解大词典》

6·Red blood cells are roughly the shape of a disk.

红细胞大致呈圆盘状。《牛津词典》

7·Its outline roughly forms an equilateral triangle.

它的大致轮廓是一个等边三角形。《柯林斯英汉双解大词典》

8·We live roughly halfway between here and the coast.

我们住的地方大致在这里和海滨中间。《牛津词典》

9·Eight kilometres is roughly equivalent to five miles.

八公里约等于五英里。《牛津词典》

10·Loam is a soil with roughly equal proportions of clay, sand and silt.

壤土是由大约等份的黏土、沙和粉砂合成的。《牛津词典》

大致

1·He knew roughly what was about to be said.

他大致知道该说些什么。《柯林斯英汉双解大词典》

2·Most of us have roughly the same number of offspring.

我们大多数人的后代数量大致相同。

3·In fact, if we model this more carefully, we'll get roughly the same prediction either way.

事实上，如果我们更仔细地建模，我们不管怎样都会得到大致相同的预测。

4·At the upper end of the scale, two searches create roughly the same emissions as boiling a kettle.

在规模的最高端，两次搜索所产生的排放量与烧水壶的排放量大致相同。

5·At the upper end of the scale, two searches create roughly the same emissions as boiling a kettle.

在规模的最高端，两次搜索所产生的排放量与烧水壶的排放量大致相同。

大概

1·One online course provider I use asks you what you think of the course after you've only completed roughly 2 per cent of it.

我上过的一门在线课程在上完大概2%的时候，就开始询问我对这门在线课程的评价。

2·Today, the student body is roughly 60 percent Black and Hispanic, 25 percent Asian, and 15 percent white.

今天，全体学生中大概有60%是黑人和西班牙人，25%是亚洲人，另外15%是白人。《柯林斯英汉双解大词典》

3·It is roughly the size of a sheet of American letter paper.

它大概有美国信纸那么大。

4·Around one-third of our meals should be based on carbohydrates, with roughly one half of these grains being whole.

我们的食物中差不多有三分之一是碳水化合物，大概有一半谷物食品为全麦的。

5·For this particular client, there were roughly ten practices for each business objective, resulting in about forty-three such practices in total.

对于这个特别的客户，对于每个商业目标大概有十个实践，导致了总共四十三各这样的实践。

粗略地

1·Roughly speaking , we receive about fifty letters a week on the subject.

关于这个问题，粗略地说，我们每周能收到大约五十封来信。《牛津词典》

2·Well, roughly speaking, I die when the functioning stops, but which functions?

粗略地说，这些功能停止时我就死了，但是什么功能呢？

3·So this is where the concentration of B is roughly constant over time.

那么这是B的浓度，粗略地随时间变化保持常量。

4·It is possible for two DPARs to show roughly the same transaction counts, but have very different CPU usage because there are different transactions being driven on each DPAR.

对于两个dpar来说，很可能粗略地显示相同的事务数，但它们有不同的CPU使用量，因为在每个dpar上可能驱动着不同的事务。

5·Very roughly this river defines the north west edge of the Indian subcontinent and the Persians, Greeks, Romans and the rest of us applied the name to everything on the other side of that river.

这条河很粗略地定义了印第安次大陆的西北端，而波斯人、希腊人、罗马人和其他的人把这个名字应用到那条河对岸的任何事情。

粗暴地

1·They roughly pushed her forward.

他们粗暴地向前推她。《柯林斯英汉双解大词典》

2·He pushed her roughly out of the way.

他粗暴地把她推到一边。《牛津词典》

3·She pointed to a YouTube video posted last year, showing a man roughly shaving a woman's long hair.

她播放了去年在YouTube上的一段视频，视频中一名男子粗暴地剃掉一位女子的长发。

4·Do not disassemble or handle the shave roughly.

不要拆卸或粗暴地操作电动剃须刀。

5·Sounds followed as if a strong man breast ing roughly through the wood.

接着又发出象一个体格强健的人，粗暴地从树枝中挤过来似的劈拍声。

概略地

1·That, roughly, is what those proposing an idea called partial immortalisation are suggesting.

概略地讲，这就是那些鼓吹“局部永生论”观点的人所要推荐的理论。