🧩 词语组成解析
upon
[ə'pɑn]
prep. 在…上面;当…时候;
🗣️ 情景例句
is my idea of heaven!
正是我所谓的天堂
I'm not really sure.
我不太清楚。
Have you taken your medicine today?
你今天吃药了吗?