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
That's a large city in northern Greece.
那是希腊北部的一个大城市。
He who does not advance falls backward.
不进则退。
During the rush hour one evening two cars collided and both drivers began to argue.
一天傍晚交通最拥挤时，一辆汽车撞上前面一辆汽车，两个司机争吵起来。