已经半个小时
It's been half an hour.
以上为机器翻译结果，长、整句建议使用 人工翻译 。
她在这里已经半个小时了。
She has been here for half an hour.
youdao
钟已经响了半个小时了。
The clanging bell had been calling for half an hour.
我们在这家帽店已经呆了半个小时了，而我的妻子仍在镜子面前。
We had been in the hat shop for half an hour and my wife was still in front of the mirror.
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