a.

1. 能一口气跑完长距离的
   A long-distance runner must be long-winded.

   长跑运动员必须有一口气能跑很长距离的本领。

2. 冗长的；罗嗦的
   We all grew weary of his long-winded speech.

   我们对他冗长的发言都感到很厌烦。

adj.

1. tediously lengthy.
2. archaic capable of doing something for a long time without becoming breathless.