occur vi.发生，出现 事故发生在五点钟。 The accident occurred at five o'clock. occur to sb.想起；想 An idea occurred to me. 我想到一个主意。 她从未想到要问别人。 It never occurred to her to ask anyone. occur vi.发生, 出现 事故发生在五点钟。 The accident occurred at five o'clock. occur to sb. 想起；想 到 An idea occurred to me. 我想到一个主意。 她从未想到要问别人。 It never occurred to her to ask anyone