improved 是 improve 的过去式、过去分词improveKK [ˏɪmˋpruv] /ˌɪmˈpɹuv/发音动词1改善、改进、提升We need to improve the quality of our customer service.我们必须改善客户服务的品质。2变好、进步、好转Her English has improved a lot since last year.她的英文从去年到现在进步很多。3好转、康复指病情The patient improved steadily after the second operation.那位病人在第二次手术后稳定好转。4胜过、超越、打破用于 improve on/uponNo one has improved on that record for twenty years.那项纪录二十年来无人打破。5改良指土壤、品种等Farmers add compost to improve the soil each spring.农民每年春天施用堆肥来改良土壤。用这个字练口说→