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- 改良PPHModified procedure for prolapse and hemorrhoids
- 改良improve
- 改良的improved
- 改良剂modifying agent
- 他主张改良监狱制度。He advocates reforming the prison system.
- 土壤改良soil improvement
- 他热心于改良。He was zealous for improvement.
- 草原改良grassland improvement
- 这为土壤改良工作提供了宝贵资料。This has provided valuable data for work in soil improvement.
- 改良戏剧运动a movement to uplift the drama
- 盐碱地改良reclamation of saline and alkaline land
- 这个城市的治安机构需要改良。The city's security apparatus needs reforming.
- 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.
- 田地经过不时的休耕可得到改良。Fields are improved by lying fallow at times.
- 我们在沙上撒土，以此改良耕地。We improved the farm land by spreading earth over the sand.
- 改良政府reform the government.
- 气候改良climatic melioration
- 提倡国货，改良土产。Encourage the use of Chinese goods and improve local products.
- 社会改良social improvement
- 改良型modified form
