a single combat的用法和样例：
- Jack: So you are planning to go over the border in a single Combat Talon?
- Potions can only be drank once in a single combat situation or within a certain period of time, you can't just guzzle a stack of them which avoids the potion fest that was Diablo.
- The letter was written on a single sheet of paper.
- He got over the stream with a single leap.
- The bridge crosses the river in a single span.