改良
To improve something by making small changes, especially regarding technology, seeds/breeds in agriculture, or social systems. It is less radical than 'reform' (改革).
Examples
3 of 5这种新型水稻是经过改良的品种。
This new type of rice is an improved variety.
我们需要不断改良我们的服务流程。
We need to constantly improve our service processes.
这种设计需要进一步改良才能上市。
This design needs further improvement before it can go on the market.
Word Family
Memory Tip
改 (change) + 良 (good) = Change to make it better.
Quick Quiz
农民们通过_______种子，提高了农作物的抗病能力。
Correct!
The correct answer is: 改良
Examples
这种新型水稻是经过改良的品种。
academicThis new type of rice is an improved variety.
我们需要不断改良我们的服务流程。
businessWe need to constantly improve our service processes.
这种设计需要进一步改良才能上市。
formalThis design needs further improvement before it can go on the market.
他正在尝试改良这台旧机器。
everydayHe is trying to improve this old machine.
这菜味道不错，但还能改良改良。
informalThis dish tastes good, but it could be improved a bit.
Word Family
Common Collocations
Common Phrases
改良主义
reformism
进一步改良
to further improve
品种改良
breed improvement
Often Confused With
改善 is general (e.g., improving life); 改良 is often technical or biological (e.g., improving a machine or a plant).
Usage Notes
Common in IELTS topics about agriculture, history (social reform), and manufacturing.
Common Mistakes
Learners use 改革 (radical change) when they only mean 改良 (incremental improvement).
Memory Tip
改 (change) + 良 (good) = Change to make it better.
Word Origin
From 'gǎi' (to change) and 'liáng' (good/fine).
Grammar Patterns
Quick Quiz
农民们通过_______种子，提高了农作物的抗病能力。
Correct!
The correct answer is: 改良
Related Vocabulary
More academic words
平稳
B1Steady and stable without much fluctuation or change; often used to describe data trends or movement.
构造
B1The internal structure, composition, or arrangement of a complex object, such as a machine, a biological organism, or a geological formation.
更替
B1The process of one thing replacing another in a regular or cyclical way, such as seasons, generations, or historical eras.
调研
B1A formal term combining 'investigation' (调查) and 'research' (研究). It refers to the process of gathering data and analyzing it for professional or academic purposes.
产物
B1The result or outcome of a specific process, historical period, or set of circumstances.
理由
B1A justification or explanation for something; the motive or basis for an action or belief.
间接
B1Not direct; occurring through an intermediary or as a secondary result.
正面
B1Positive or favorable; also refers to the front side of an object.
透彻
B1Thorough, profound, or in-depth; usually describing an analysis, understanding, or explanation that covers all aspects clearly.
划分
B1To divide or partition something into distinct sections or categories according to a certain standard.
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