约约

The concordance is around 20% for dizygotic twins.

该致性20％，异卵双胞胎。

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

在1700年有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五万台。

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

离终点十圈以直非常努力。

They had the animal neutered some seven years back.

他们在七年之将这家畜去势。

The coal miners have come out for about two weeks.

煤矿工人已罢工两周了。

Jonathan Anderson of UBS suggests that the undervaluation is about 20 per cent.

瑞银集团(UBS)的乔纳森•安德森(JonathanAnderson)认，人民币低估幅度20%。

She was losing about ￡100 a week in takings.

她的进款每周下降100 英镑。

Williams timed his pass perfectly from about thirty yards.

廉姆斯在30码处的传球时机把握得恰到好处。

Barrow-in-Furness grew into a fishing village of about three hundred people by the 1840s.

到19世纪40年代巴洛因弗内斯发展成了个有300人的渔村。

Scanning electron microscope image of the compound eye of a noctuid moth.

扫描电子显微镜图像的复的夜蛾蛾。Each facet of the eye (ommatidium) is approximately 25 microns wide.每个小（小）25微米宽。

An appointment at the dentist my arse! She’s gone shopping!

好去看牙医，才不信这屁话！她去逛商店了！

Nutlets white, oblong, ca. 4 mm, rugate, apex acute.

小坚果白色，长方形，4毫米，有皱，先端锐尖。

Fynbos make up 80 percent of the plant varieties in the Cape Floristic Region.

在开普敦的植物区，芳百氏小灌木佔所有植物种类的80%。

Halley's Comet has an eccentricity of about 0.9675.

哈雷彗星的偏心率0.9675。

Anthers attached at corona lobelet sinus, ovoid, ca. 2 mm.

花药附着在的副花冠小裂片凹缺，卵球形，2毫米。

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

整个坝总计达4,400,000 立方码。

The typical lawn mower makes about 90 decibels of noise.

典型的割草机发出的声响90分贝。

There is a time lag of about fifteen years.

时间上有段15年的间隔。

About 45 000 people worked in electronics in Scotland.

苏格兰有4.5 万人在电子行业工作。