英语中有许多表示状态或性质变化的词语,在这里我们根据词义的不同来进行小小的总结和归纳。表示向“好的方面”转变的词语1.upgrade:(建筑、结构、功能等)升级,改造The rail system had been upgraded on a large scale in the last year.铁路系统去年进行了大规模的升级改造。 There are many words in English that indicate changes in state or nature. Here, we summarize and sum up according to different meanings. The word “1.upgrade” (building, structure, function, etc.) has been upgraded to the “good aspect”. The rail system had been upgraded on a large scale in the last year. The railway system was carried out on a large scale last year. upgrade.