of about造句

• It has a half-life of about 41/2 billion years .
  它的半衰期大约为45亿年。
• They are of about the same strength .
  他俩力气不相上下。
• The mine had yielded a total of about 3714 tons of coal .
  这座矿已生产了3714吨煤。
• Seawater invades for a distance of about 50 miles upstream .
  海水浸入上游远至50英里。
• He was a pert little blonde of about six years .
  他是个唐突而漂亮的小孩，大约六岁左右。
• A man of about twenty-eight spent a summer in our village .
  一个年约二十八岁的男子来我们村消夏。
• After the age of about thirty they abandon individual ambition .
  他们一过三十就放弃了个人的雄心壮志。
• Geodetic theodolites generally have circles of about 140mm diameter .
  大地经纬仪的度盘直径一般为140毫米。
• New channel are being dredged each year at a cost of about $74,000,000.
  新航道每年的疏浚费用约为74,000,000美元。
• He was a man of about thirty, with a muscular throat and a large, mobile mouth .
  他年约三十，喉头发达，嘴皮灵活。
• The man went from rags to riches in a short period of about five years .
  在短短的大约5年时间内，那个人就由贫致富。
• For ranges in excess of about 800m some target magnification is required .
  在射程超过800米以上时，某些目标需要放大。
• The journey from our town to the metropolis was a journey of about five hours .
  从我们镇上到京城，大概是五小时旅程。
• The sister, catherine, was a slender worldly girl of about thirty .
  她妹妹凯瑟琳是一个苗条而俗气的女人，年纪三十上下。
• Next morning at six i set out with a squad of about forty youths .
  第二天早晨六点钟，我就同一队大约四十名青年一起出发。
• The whole drum rotates at a steady speed of about sixty revolutions per second .
  整个磁鼓大约以每秒60转的恒定转速旋转。
• Circadian rhythms show persistent, stable periodicities of about 24 hours .
  昼夜节律表现出大约24小时的连续而稳定的周期性。
• The fading measurements were made at an original dye density of about 1. 2 .
  色牢度的测定是以原来染料密度在1.2以上为基准。
• Mrs. bird was a timid, blushing little woman, of about four feet in height .
  柏德太太是个胆小、羞涩的矮小妇人，身高四英尺左右。
• Beside him there was a mild and small and ill-looking woman of about fifty .
  他旁边有一个温柔敦厚，小个子，年纪五十光景而满面病容的女人。