improvement可数。improvement是一个英文单词，主要用作名词，作名词时中文含义是：改善; 改进; 改进处; 改善的事物。其复数形式是：improvements。
一、improvement词语搭配
home improvement住房改善
self- improvement自我改进
signs of improvement改进迹象
gradual improvement逐步的改善
big improvement大幅的改善
dramatic improvement巨大的改善
marked improvement明显的改善
significant improvement显著的改善
slight improvement轻微的改善
二、improvement双语例句
1.The new cars will incorporate a number of major improvements.
新款汽车会有若干重大改进。
2.The change did not portend a basic improvement in social conditions.
该变化没有预示社会状况的根本改观。
3.Compact discs have brought about a vast improvement in recorded sound quality.
激光唱片极大地提高了录音的音质。
4.On several occasions she had remarked on the boy's improvement
她好几次提及这个男孩的进步。
5.Is this situation not susceptible of improvement by legislation?
这种状况有无可能通过立法加以改善？
6.This is a great improvement on your previous work.
你的工作比先前有很大进步。
