1650s, from French amélioration, from Old French ameillorer (12c.), from a "to" (see ad-) + meillior (Modern French meìlleur) "to better," from Late Latin meliorare "improve," from Latin melior "better," perhaps originally "stronger," and related to Greek mala "very, very much," from PIE *mel- "strong, great" (see multi-).
权威例句
1. One of the most startling proposals for amelioration, in fact, came from Wall Street.
实际上, 最令人注意的改良建议之一出自华尔街.
2. No other question received as much attention or stimulated as many investigations and proposals for amelioration.
没有其它问题受到如此之多的注意,或引起这样多的调查和改良的建议.
3. I've heard that Liebig has made some wonderful discoveries in the amelioration of soils.
我听人说利比黑在改善土壤这方面有过很了不得的发现.
4. This paper studies the constitute measure, the emulation and amelioration of system.
研究了系统的建立方法及软件的仿真与改进.
5. A definitie change in dietary regimen led to amelioration in his condition.