come upon的词典解释是：偶然碰到(或发现)If youcome upon someone or something, you meet them or find them by chance。come upon的例句是Jessica came upon some old letters when she was cleaning the room.杰西卡在清洁房间的时候偶遇了一些旧信件。come upon的意思是偶遇，邂逅；要求；成为...的负担；突然产生。
一、英英释义点此查看come upon的详细内容
"the archeologists chanced upon an old tomb"
"she struck a goldmine"
"The hikers finally struck the main path to the lake"
"She entered upon the estate of her rich relatives"
二、词典解释
1.偶然碰到(或发现)
If youcome upon someone or something, you meet them or find them by chance.
e.g. I cameupon an irresistible item at a yard sale.
在一次庭院拍卖会上，我偶然发现了一个忍不住想买的东西。
2.产生(某种态度或感觉)
If an attitude or feelingcomes upon you, it begins to affect you.
e.g. A sense of impending doom cameupon all of us.
我们所有人都有一种大难临头的感觉。
三、例句
Jessica came upon some old letters when she was cleaning the room.
杰西卡在清洁房间的时候偶遇了一些旧信件。
I chanced upon an old schoolmate in the street yesterday.
昨天我在大街上偶遇了我的老同学。
We decided to swoop down upon the enemy there.
我们决定突袭驻在那里的敌人。
That day Shvabrin swooped down upon them with his troops.
那天希瓦卜林带领人向他们发动突袭。
Fear came upon her as she walked along the empty street.
她走在空荡荡的街上，突然产生一种恐惧。
四、词汇搭配
come upon的相关近义词
overtake、hit、find、strike、discover、come across、chance upon、attain、fall upon、enter upon、light upon、chance on、happen upon
come upon的相关临近词
comes、come、come off with honors、come across the mind、come onto the market、come into the market、come a hand of cards、come in contact with