17. Studies show that people use approximately one fifth less energy when they are billed for exactly what they use.
研究表明，当人们按实际使用量付款时，他们使用的能源大约减少了五分之一。
youdao
18. We are due to leave Folkestone in about five minutes and a journey to Boulogne will take approximately two hours.
我们预计将在五分钟内离开福克斯通，前往布洛涅大约需要两个小时。
youdao
19. For the bulk of our species' approximately 200,000 year lifespan, we had no means of precisely representing quantities.
在人类存活的这约20万年里，我们没有办法精确地表示数量。
youdao
20. This is a recorded message lasting approximately four minutes and it provides general information on the town bus tour.
这是一段约四分钟的录音信息，它提供了城市巴士旅游的基本信息。
youdao
21. I do exercises for legs approximately once a week and most of my leg workouts include ballet movements and yoga stretching.
我大约每星期一次做腿部运动，而且绝大部分的腿部训练包括芭蕾舞步和瑜伽伸展运动。
youdao
22. During several years of gambling in that casino, Williams, a state auditor earning ＄35000 a year, lost approximately ＄175000.
威廉斯是一名年薪3.5万美元的州审计员，他在那家赌场赌了好几年，输了大约17.5万美元。
youdao
23. Flooding shaped the outflow channels approximately 3 billion years ago, about the same times as the northern volcanic plains formed.
大约30亿年前，洪水形成了流出通道，大约与北部火山平原形成的时间相同。
youdao
24. The deserts, which already occupy approximately a fourth of the Earth's land surface, have in recent decades been increasing at an alarming pace.
沙漠已经占据了大约四分之一的地球表面积，近几十年来还在一直以惊人的速度增加。
youdao
25. Even if the new population is of a different species, it can approximately fill the niche vacated by the extinct population and keep the food web intact.
即使新的种群属于不同物种，它也可以大致填补已灭绝种群空出的生态位，保持食物网的完整。
youdao
26. There are between 3000 and 6000 public languages in the world, and we must add approximately 6 billion private languages since each one of us necessarily has one.
27. Approximately two-thirds of the income derived from this total output is paid out to workers as wages and salaries, the remaining third serving as compensation to the owners of the capital goods.
28. Each of these characteristics sharply distinguishes the 21,000 people who left for New England in the 1630s from most of the approximately 377,000 English people who had immigrated to America by 1700.
29. Approximately $150 million is to be spent on improvements.
大概1.5亿美元将花在改进上。
《柯林斯英汉双解大词典》
30. According to most calculations, race walkers moving at a pace of six miles per hour would burn about 800 calories per hour, which is approximately twice as many as they would burn walking, although fewer than running, which would probably burn about 1,000 or more calories per hour.
