雅思写作高频词汇：改良
以下是网站给大家分享的雅思写作高频词汇：改良。希望对大家的雅思备考有所帮助，更多雅思备考资料欢迎大家随时关注网站。
betterment[改良/改进]/improvement
-eg: The betterment of the medical service is what the general public is looking for.;
compulsory education[义务教育]
-eg: 9-year compulsory education;
levy[征税/强加于]/impose
-eg: levy income tax/tax on real-estate.
