大约

• It was about an hour or so after he lay down .
  他躺下后大约有一小时左右。
• It has a half-life of about 41/2 billion years .
  它的半衰期大约为45亿年。
• I decided spitefully, i suppose that .
  我那时认定--我想我大约是怀恨在心。
• We didn't get the body for about three days .
  大约三天，我们都没找到尸体。
• After about three hours it became unbearable .
  大约三个小时后就难以容忍了。
• It happened around 10 years ago .
  那是大约在十年前发生的事。
• We have taken films about every two months .
  我们大约每两个月拍一次X线照片。
• I reckon it will cost about $ 100 .
  我估计大约要花100美元。
• We lay out about 51% of the total investment .
  我方出资大约占总投资额的51。
• This cake of soap will last you about several weeks .
  这块肥皂大约够用几星期。