improve /imˈpru:v/ vt.& vi. （使）改善，（使）提高：He is trying to improve his English. 他正设法提高自己的英语水平。 (亦可说：improve oneself in English) My health is improving. = I am improving in health. 我的健康状况正在好起来。improve on/upon sth.对…加以改良或提高：improve on the invention 对这一发明进行改进 This poem cannot be improved upon. 这首诗再好也没有了。
improvement /imˈpru:vmənt/ n. 1.［u］改进: There’s room for improvement. 还有改进的余地。 2.［c］改进之处: None of these improvements has cost much. 所有这些改进都花钱不多。 improvement on/over… 对…是一大改进/是比较好的：The new work procedure is a great improvement on/over the old one. 新工序比起老工序来是一个很大的改进。Electric lights are an improvement over candles. 电灯比起蜡烛来是一个进步。It has many improvements over… 它比…有许多改进之处。
