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
What happened?
怎么样？
Don't whistle until you are out of the wood.
没有脱离险境，不要过早高兴。
Nearly everybody enters for 'The Nicest Garden Competition' each year, but Joe wins every time.
几乎每个人都参加每年举办的“最佳花园竞赛”，而每次都是乔获胜。