1、occur vi.
①(尤指意外地)发生， 该词不可用于被动语态
A serious traffic accident occurred on Route 66 last night.
昨晚在66号公路发生了一起严重的交通事故。
② (想法、念头等)浮现， 常见于sth. occur to sb., 指某人想到了某事。常用句型：It occurs to sb. that…某人突然想到……
The idea occurred to him when he saw an apple fall down.
他看到一个苹果掉下来的时候， 就有了这个想法。
It occurred to me that I would go and talk to Mr. Hans.
我突然想到去找汉斯先生谈谈。
