whereupon
01
于是, 因此
immediately after this; because of something mentioned
例子
She received the letter, whereupon she immediately called her lawyer.
她收到了信，随后立即打电话给她的律师。
02
于是, 随后
used to indicate the location or place where something occurred
例子
He arrived at the castle, whereupon he beheld the magnificent courtyard.
他到达了城堡，在那里他看到了宏伟的庭院。
