改良

1. 养殖对动物的饲养或植物的种植，尤指为了产生改良品种
   The breeding of animals or growing of plants, especially to produce improved stock.
2. 不悔改的未在精神上自新或改良的；不惭愧的
   Not spiritually renewed or reformed; not repentant.
3. 社会改良空想家幼稚的理想主义者，支持善心或博爱的事件的改革者
   A naive idealist who supports philanthropic or humanitarian causes or reforms.
4. 要不是这些实验，这部机器也许就不可能改良了。
   If it had not been for these experiments, the improvement of the machine would have been impossible.

改的英语翻译：

良的英语翻译：