约约

There is a time lag of about fifteen years.

时间上有一段约15年的间隔。

Halley's Comet has an eccentricity of about 0.9675.

哈雷彗星的偏心率约0.9675。

She was losing about ￡100 a week in takings.

她的进款每周下降约100 英镑。

They had the animal neutered some seven years back.

他们约在七年之前畜去势。

I was pushing hard until about 10 laps from the finish.

离终点约十圈以前我一直非常努力。

They planned to have the gilts farrow down about the end of this month.

他们计划让母猪约在本月底下仔。

The coal miners have come out for about two weeks.

煤矿工人已罢工约两周了。

He was standing under a tree about ten yards away.

他站在约十码远的一棵树下。

The typical lawn mower makes about 90 decibels of noise.

典型的草机发出的声响约90分贝。

About 45 000 people worked in electronics in Scotland.

苏格兰约有4.5 万人在电子行业工作。

Pro. Wilson has a speaking engagement for this weekend.

威尔森教授被约于本周末去做报告。

About 1917 the shipworm invaded the harbor of San Francisco.

约在1917年凿船虫袭击了旧金山港。

The concordance is around 20% for dizygotic twins.

该一致性约20％，双胞胎。

Some 1000 athletes competed in 20 events.

约1000名运动员参加了20个项目的比赛。

The whole dam bulks about 4,400,000 cubic yards.

整个坝总计约达4,400,000 立方码。

In the year 1700,about 60 million bison wandered freely in North America.

在1700年约有6000万头野牛在北美无拘无束地活动。

The yearly output pf the portable computers in the factory approximates to 50,000.

该工厂的袖珍计算机年产量约五万台。

Williams timed his pass perfectly from about thirty yards.

威廉姆斯在约30码处的传球时机把握得恰到好处。

I’m in hock for about ￡5000.

我欠了约5 000英镑。

At present,the exchange rate of Tugrik 1 to USD and RMB is 1425 and 210 respectively.

目前，图格里克对美元的汇率约1425比1，对人民币的汇率约210比1。