Improve upon
出国 Abroad作出比…更好的东西;对…作出改进
🧩 词语组成解析
upon
[ə'pɑn]
prep. 在…上面;当…时候;
🗣️ 情景例句
Forgive my ignorance, But what exactly are you talking about?
请原谅我的孤陋寡闻，你说的到底是什么？
He has graciously consented to speak to us on that subject tonight.
他同意今晚他将就这一专题演讲。
To answer this question, von Frisch and his coworkers set up a feeding place close to the hive.
为了回答这个问题，冯·弗里施和他的同伴在蜂箱附近建起了一个喂食点。