30%这一数字可能只是个大约的估计。
我给了他一个大约的预算。
所以,再回到点,需要92分钟，大约的数字。
Mary So for Mary to go around X and go back to point X is 92 minutes, rounded-off numbers.
所以，我只需要一个非常粗略的想法及大约的费用。
And then, I only need a very rough idea of how much it might cost.
患癌风险估计：一次吃吃掉两磅未清洗污染花椰菜大约的概率为百万分之二。
The estimated increase in cancer risk of eating two unwashed pounds is about two chances in a million.
星体的亮度大约分三个星等。
地球离最近的恒星大约为4光年。
飞机在大约三万英尺的高度水平飞行。
机场在大约20公里远的地方。
大约晚上11:30的时候，波拉德终于对搜查予以同意。
At approximately 11:30 p.m., Pollard finally gave his consent to the search.
我估计她的年纪大约是五十岁左右。
反对党赢得大约55％的选票。
Opposition parties won about fifty-five percent of the vote.
大约32%的学生达到国家阅读标准。
About 32 percent of students meet national norms in reading.
大约70%的妇女都患有经前综合症。
价格在12月份跌到大约$1.12的最低点。
大约70%的可可豆种植区都用杀虫剂处理过。
贫困家庭大约花费收入的80%到90%购买食物。
Poor families spend about 80 to 90 per cent of their income on food.
李先生的报酬大约等于每月80美元。
他标示出一个半径大约三十英里的半圆。
He indicated a semicircle with a radius of about thirty miles.
我的店每天早上大约8:30开门。
乘飞机旅行的人数将以每年大约6%的速度持续增加。
伊莎贝尔的双腿作了大约两周半的牵引。
Isabelle's legs were in traction for about two and a half weeks.
有一个极端分离主义党派，但是该党在选举中只取得了大约10%的选票。
There is an outright separatist party but it only scored around about 10 percent in the vote.
估计地球的年龄大约为46亿年。
The age of the earth is reckoned at about 4 600 million years.
这个镇上大约15%的财产是免税的。
我靠的大约五千美元的出书版税生活。
I lived on about $5,000 a year from the royalties on my book.
最近的城镇大约在沿河向上十英里处。
收割伊始田间大约有三亿吨的谷物。
There was about 300 million tons of grain in the fields at the start of the harvest.
那时，大约二十码外的一辆小型货车后门突然敞开。
At that instant, the rear doors of a panel truck some twenty yards away flew open.
由于命运巧妙的安排，大约只过了一周我们又相逢了。
By a curious twist of fate we met again only a week or so later.
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