Happen upon
巧遇, 偶然发现
🧩 词语组成解析
upon
[ə'pɑn]
prep. 在…上面;当…时候;
🗣️ 情景例句
I hear the exams will be very tough.
我听说考试挺难的。
I ought to take her home.
我应该送她回家。
So he decided to emigrate.
于是他决定移居他国。