competitive inhibitor

例句：

1. 1. The competitive environment in the market is constantly changing.
   市场的竞争激烈不断改变。
2. 2.The competitive inhibitor can help to maintain a healthy balance between different species.
   竞争抑制物可以帮助维持不同物种之间的健康平衡。
3. 3.The competitive inhibitor has been shown to reduce stress levels in laboratory animals.
   竞争抑制物已被证明可以降低实验室动物的压力水平。