1 (formal 正式) to happen, especially in a way that has not been planned 发生(尤指偶然地):
The accident occurred late last night.那宗意外于昨天深夜发生。☞Look at the note at happen. 参看happen的注释。
2 to exist or be found somewhere 存在;找得到:
The virus occurs more frequently in children.这种病毒更经常存在于儿童身上。
3occur to sb (used about an idea or a thought) to come into your mind (指主意、想法)(指某人)想起,想到:
It never occurred to John that his wife might be unhappy.约翰从没有想到他的妻子可能会不快活。
occur/əˋkɝ; əˈkɜː/v [I] occurred , occurring formal to happen or exist, especially in a particular place or situation【正式】〔尤指在特定地点或情况下〕发生: Major earthquakes like this occur very rarely. 像这样的大地震很少发生。+in/among The disease occurs mainly in young children. 这种病多发于幼儿。see box at见 HAPPEN 方框occur to sbphr v to come into someone's mind 被想起﹔浮现于脑海中: It occurred to me today that no one has told John yet. 今天我想起来还没有人告诉约翰。Did it never occur to you to phone? 你压根儿没想过要打电话吗?
occuroccuroccursoccurredoccurringverb (occurs, occurring, occurred) (formal)to happen: The accident occurred this morning.occur to somebodyto come into somebody's mind: It occurred to me that you might like to come.