Upon completion of
在…结束的时候
🧩 词语组成解析
upon
[ə'pɑn]
prep. 在…上面;当…时候;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
I just want to see one smile from you.
我就想看你笑一个。
The student is busy studying math.
这个学生忙于研究数学。
As he had never been there before, he found a great deal to interest him.
由于他从未去过那儿，结果他发现许多有趣的东西。