两极性的

例句：

1. 1.The company's decision to cut its workforce was met with strong opposition from employees and shareholders.
   该公司决定裁减员工时，遭到了员工的强烈反对和股东的反对。
2. 2.The scientist discovered a new method for analyzing the chemical properties of materials at the two ends of the spectrum.
   这位科学家发现了一种分析材料在光谱两端化学属性的新方法。
3. 3. The research focused on understanding the relationship between human behavior and environmental factors, whichis crucial for maintaining ecological balance.
   这项研究专注于理解人类行为与环境因素之间的关系，这对于维护生态平衡至关重要。