1. The polarity of the magnet determined its attraction or repulsion to other objects.
磁铁的极性决定了它对其他物体的吸引或排斥。

2. In chemistry, molecules with opposite charges exhibit polarity.
在化学中，带有相反电荷的分子表现出极性。

3. The polarity of the debate became evident as both sides presented their arguments.
辩论的极性变得明显，因为双方都提出了自己的论点。

4. The polarity of the battery must be matched correctly for it to function properly.
电池的极性必须正确匹配才能正常工作。

5. The political climate in the country was marked by a strong sense of polarity between the two major parties.
该国的政治氛围被两大党派之间的强烈对立所标记。

6. The therapist worked to balance the emotional polarity within the family to promote healing and understanding.
治疗师努力平衡家庭内部的情感极性，以促进康复和理解。