about英语怎么读语音

例句：

It's about this high.

大约有这么高。

It will take about an hour to get there.

到那里大约需要一小时。

We estimated it would cost about € 5 000.

我们估计要花费大约5000欧元。

It's about that long.

大约有那么长。

It'll take about three weeks, give or take a day or so.

这要花大约三周时间，出入不过一天左右。