about half hour的意思|示意

Most people spend about half an hour at a time, and two hours total.

大多数人一次性花半小时，分四次共两个小时。

Every human spent about half an hour as a single cell.

每个人作为单细胞生存的时间约为半小时。

We are still in the exploratory stages of this project, although what's noteworthy is that East Asians on average sleep about an hour and a half less each night than North Americans do.

我们仍然在这个项目的探索阶段，尽管值得注意的是，东亚人平均每晚比北美人少睡一个半小时。

The band only played for about half an hour—it was a real sell.

乐队仅仅演奏了大约半个小时—真让人失望。

This morning, when I came down, about half an hour before noon, Mr Earnshaw was sitting by the fire, deadly sick; his evil genius, almost as gaunt and ghastly, leant against the chimney.

今天早上，我下楼时，大概还有半个钟点就到中午了。 恩萧先生坐在炉火旁，病得很重；那个恶魔的化身，差不多一样地憔悴、惨白，身子倚着烟囱。

After this photo I was followed by a rainbow for about half an hour.

在拍摄了这张照片以后，一条彩虹伴随着我大约有半个多小时。