and a half

基本解释

I exercise at least an hour every day, if not an hour and a half or two hours.
我每天都锻炼至少一个小时，如果不够一个半或两小时的话。
But I also feel that after a separation of one and a half centuries, we need to understand her more deeply.
但我亦感受到，两地经过一个半世纪的分隔，香港必须对祖国有更深入的了解。
If he now makes another turn and a half, he may bequeath whoever succeeds him something unexpected: the beginnings of a decent American policy for this troubled region.
如果他现在作出另一个一周半回转，他可能给继任者留下一些意想不到的东西：美国对那片动荡区域的温和政策。

He said the government could borrow enough money to pay each man a dollar and a half a day.
So, today we find ourselves in a very different novelistic world than we've been in for the last week and a half: On the Road.
今天我们将置身于一个完全不同于上周的,小说的世界：《在路上》
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And if you are prepared to stand up for about two and a half to three hours to watch a play,
而且你要准备好了站上大约两个半小时到三个小时，去看一场戏剧，
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The American Express fund, however, turned over its portfolio five and a half times as fast as AIM.
FORBES: Hidden Expenses