Thousands upon thousands of
成千上万,许许多多
🧩 词语组成解析
n. 数千（thousand的复数）
upon
[ə'pɑn]
prep. 在…上面;当…时候;
n. 数千（thousand的复数）
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
Okay. Thank you.
好的，谢谢。
It really comes in handy.
有了它真是方便。
of the nature of the illness from which his friend was suffering,
不知道他的朋友得的是什么病，