critical melting point

例句：

1. 1. The decision was critical for the company's survival.
   这个决定对公司的生存至关重要。
2. 2. The scientist made a critical observation during his experiment.
   这位科学家在实验中做出了一个关键性的观察。
3. 3. The outcome of the competition was critical to the winner's success.
   比赛的结果对获胜者的成功至关重要。