1. The ameliorations made to the school's curriculum have greatly improved student performance.
对学校课程所作的改进大大提高了学生的表现。

2. The government's ameliorations to the healthcare system have increased access to quality medical care for all citizens.
政府对医疗系统所做的改进增加了所有公民获得优质医疗护理的机会。

3. We are constantly seeking ways to make ameliorations to our products based on customer feedback.
我们不断寻求根据客户反馈对产品进行改进的方法。

4. The ameliorations to the city's infrastructure have resulted in smoother traffic flow and improved overall quality of life.
对城市基础设施所做的改进导致了交通流畅和整体生活质量的提高。

5. The company's ameliorations to their employee benefits package have boosted morale and retention rates.
公司对员工福利计划所做的改进提高了士气和留职率。

6. The ameliorations to the park's landscaping have made it a more enjoyable place for visitors to relax and unwind.
对公园景观所做的改进使其成为游客放松和休闲的更加愉快的地方。