“improve on”例句

单词 improve on 例句 DEFINITIVE EXAMPLES 权威例句〔BETTER〕I'm sure you could improve on your assignment if you spent a little more time on it. 如果你稍微多花一点时间的话，我肯定你的作业会做得更好。朗文写作活用〔SAFE〕Safety needs to be improved on all o...