爬完这么长的一段楼梯后，她已经完全喘不过气来了。
After climbing that long flight of stairs she was completely out of breath.
我想他是从楼梯上摔了下去，尖叫持续了二三分钟后。一切归于平静。
I think he fell down the stairs, and he screamed for two or three minutes.
另外一个标志是在少量活动如爬楼梯一后呼吸困难。
Another sign is difficulty breathing after minor activity like walking up stairs.
另外一个标志是在少量活动如爬楼梯一后呼吸困难。
Another sign is difficulty breathing after minor activity like walking up stairs.
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