Billions upon billions of
亿万,无数亿
🧩 词语组成解析
n. 十亿（billion的复数形式）
upon
[ə'pɑn]
prep. 在…上面;当…时候;
n. 十亿（billion的复数形式）
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
He's had so many colds and sore throats recently.
他最近常常感冒喉咙痛。
Tinkering is so enjoyable.
修理东西令人快乐。
As I soon learnt, he was English himself!'
我很快了解到，他自己就是个英国人！