keyage

例句：

1. 1. 关键
   名词
2. 2.使成为关键
   动词
3. 3. 决定关键因素
   动词短语
4. 1. The key to success is hard work and determination.
   成功的关键是努力工作和决心。
5. 2. The decision was crucial in the outcome of the game.
   这个决定在比赛结果中至关重要。
6. 3. The company's survival depends on its ability to adapt to changing market conditions.
   公司的存亡取决于其适应市场变化的能力。