“约为3”造句

围栏区域领域约为3.28平方公里.
The enclosed area is about 3.28 sq km.

我们估计距离约为3英里.
We approximated the distance at three miles.

根据目前花旗约300亿美元的市值计算, 这一投资价值约为3亿美元.
At Citi's current market value of about $ 30 bn, the investment is worth some $ 300 m.

• #约为3