奋斗的小俊俊
他大约赚5万欧元。
He earns somewhere in the region of 50 000.
地球的周长大约为25000英里。
The earth is almost 25 000 miles in circumference.
我们估计要花费大约5000欧元。
We estimated it would cost about 5 000.
大约每个星期我加满一箱汽油。
I fill up the tank with gasoline about once a week.
星体的亮度大约分三个星等。
The star varies in brightness by about three magnitudes
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