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
It's good to meet you.
很高兴见到 。
Union is strength.
团结就是力量。
I got up early and bought thirty-seven cards.
我早早起了床，买来了37张明信片。