| 释义 |
occur verb ADVERB | VERB + OCCUR | PREPOSITION ADVERBcommonly, frequently, often, regularly, repeatedly 常常／频繁／经常／定期／反复发生generally, normally, typically, usually 通常发生；往往发生infrequently, rarely 不常／难得发生occasionally, sometimes 偶尔／有时发生randomly, sporadically 不时／间或发生mainly, mostly, predominantly, primarily 主要发生exclusively, only 仅发生naturally 自然发生◆These chemical changes occur naturally.这些化学变化是自然发生的。spontaneously 自发地出现◆Opportunities for learning occur spontaneously every day.学习的机会每天都会自然而然地出现。simultaneously, together 同时／一起发生independently 单独出现quickly, rapidly 快速／迅速出现slowly 慢慢发生VERB + OCCURbe likely to, tend to 很可能／往往发生be unlikely to 不可能发生PREPOSITIONamong 在⋯中出现◆the problems that occur among people living together合居者中出现的各种问题in 在⋯出现◆A significant improvement occurred in patients given the drug.服用该药的病人出现明显改善。 |