single argument

例句：

1. 1.The debate was won by the speaker whohad a single argument against the opponent's claims.
   这场辩论被发言者以一个单一的论点击败了对手的主张。
2. 2.The lawyer presented his case with a singleargument that could change the outcome of thetrial.
   律师用一个单一的论点来支持他的案件，这可能会改变审判的结果。
3. 3.The scientist used a single argument to explainwhy the experiment failed.
   科学家用一个单一的论点来解释为什么实验失败了。