“阻”怎么读？

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为人圆通会让你成功的道路通畅无阻。Diplomacy will smooth your pathway to success.警卫阻扰了他越狱的企图.The guards thwarted his attempt to escape from prison.我被雨所阻, 否则早已经到了.I would have been here sooner , but the rain kept me back....