English主要词典
occur
Universal Words
verb (-rr-)
1 [V] (formal) to happen:
When exactly did the incident occur? * Something unexpected occurred. -< HAPPEN
2 [V+adv./prep.] to exist or be found somewhere:
Sugar occurs naturally in fruit.
PHRASALVERBS
occur to sb (of an idea or a thought) to come into your mind:
The idea occurred to him in a dream. * [+that] It didn't occur to him that his wife was having an affair. * [+toinf] It didn't occur to her to ask for help.
