及物动词
1. He put forward a plan for improving the rate of production.
他提出了一个提高生产率的计划。
2. improve的翻译
2. He came back from his holiday with greatly improved health.
他度假回来，健康大为好转。
3. improve的解释
3. This is not good enough. I want to improve it.
这还不够好，我要加以改进。
不及物动词
1. improve的反义词
1. Their working conditions are improving.
他们的工作条件正在改善。
2. The price of steel improved.
钢材价格提高了。