音标：[im'pru:vmәnt]
n. 进步, 改善, 利用
【医】 改善, 好转, 进步
【经】 改良, 改进, 改良投资
在线英汉词典

improvement的短语、例句：

improvement n 1 [C, U] ~ (on/in sth) action or process of improving; state of being improved 改进; 改善; 改良
cause a distinct/significant/marked improvementin working conditions 使工作环境有明显的[重大的/显著的]改善
a slight, gradual, etc improvement in the weather 天气的轻微的、 逐渐的...好转
This year´s car is an improvement on (ie is better than) last year´s model. 今年的汽车是去年型号的改进型.
There is room for further improvement in your English. 你的英语尚有进一步提高的余地. 2 [C] addition or alteration that improves sth or adds to its value （改进某事物或提高其价值的）增加或修改
home improvements 住宅的装修
[attrib 作定语] a road improvement scheme 道路改善计画.