Your work shows considerable improvement.你的工作显示出相当大的改进。
Today's weather is an improvement on yesterday's.今天天气比昨天的好。
This poem is an improvement over that.这首诗比那首诗好。
I have noticed a number of improvements in this town since I was here last.我注意到,自从我上次到这儿来过之后,这个市镇有了很大的改进。
Electric lights are an improvement over candles.电灯与蜡烛相比,是一个进步。
They were carrying out home improvements.他们正在装修房子。
