occur
verb OPAL WOPAL S
/əˈkɜː(r)/
/əˈkɜːr/
(formal)动词形式
Phrasal Verbs| present simple I / you / we / they occur | /əˈkɜː(r)/ /əˈkɜːr/ |
| he / she / it occurs | /əˈkɜːz/ /əˈkɜːrz/ |
| past simple occurred | /əˈkɜːd/ /əˈkɜːrd/ |
| past participle occurred | /əˈkɜːd/ /əˈkɜːrd/ |
| -ing form occurring | /əˈkɜːrɪŋ/ /əˈkɜːrɪŋ/ |
- [intransitive] to happen
发生；出现 - When exactly did the incident occur?
这一事件究竟是什么时候发生的？ - Something unexpected occurred.
发生了一件出乎意料的事。 - Three major events occurred in my life that year.
那一年我的生活发生了三件大事。 - These chemical changes occur naturally.
这些化学变化是自然发生的。 - More deaths occur in winter.
冬天死亡的人较多。
- Opportunities for learning occur spontaneously every day.
学习的机会每天都会自然而然地出现。 - A new outbreak of smallpox occurred in 1928.
1928 年爆发了新一轮的天花。 - Impact occurred seconds after the pilot signalled for help.
飞行员发出求救信号数秒钟之后就发生了碰撞。 - Major economic changes have occurred recently.
最近发生了一些重大经济变化。 - Peasant rebellions occurred throughout the 16th century.
农民暴动在整个 16 世纪不断发生。 - The collision occurred near the hospital.
撞车事故发生在医院附近。 - The explosion occurred just after midday.
爆炸就发生在午后。 - The fits usually occur at night.
这种病一般在晚上发作。 - These climate shifts occurred over less than a decade.
发生这些气候变化不超过十年。 - Travellers complained about lack of information when travel delays occurred.
旅客抱怨发生交通延误时没有人提供信息。 - Such storms are likely to occur for the next six to ten weeks.
这种风暴可能会在接下来的6到10周内发生。 - The disease can occur at any time of the year.
这种疾病可能在一年中的任何时候发生。 - These symptoms occur in some patients but not in others.
这些症状在一些病人身上出现，但在其他病人身上没有。 - This rally usually occurs between Christmas and New Year's day.
这种集会通常发生在圣诞节和元旦之间。 - Five attacks occurred in a 12-day period.
12天内发生了5起袭击事件。 - Several conversations occurred simultaneously.
几个对话同时发生。 - The fractures occurred as a direct result of osteoporosis.
骨折是骨质疏松症的直接结果。
Collocations Dictionaryadverb- commonly
- frequently
- often
- …
- be likely to
- tend to
- be unlikely to
- …
- among
- in
- When exactly did the incident occur?
- [intransitive] + adv./prep. to exist or be found somewhere
存在于；出现在 - Sugar occurs naturally in fruit.
水果天然含糖分。 - naturally occurring chemicals in the brain
大脑中自然产生的化学物质 - Lemurs occur in the wild only in Madagascar.
狐猴仅存在于马达加斯加的野生环境中。 - Infected plants frequently occur in patches.
受感染的植物经常出现在斑块中。 - Calluses typically occur on the bottom of the feet and heel.
老茧通常出现在脚底和脚跟。
Collocations Dictionaryadverb- commonly
- frequently
- often
- …
- be likely to
- tend to
- be unlikely to
- …
- among
- in
More Like This Consonant-doubling verbsConsonant-doubling verbs- bob
- club
- dub
- grab
- rub
- sob
- throb
- kid
- nod
- pad
- plod
- prod
- shred
- skid
- thud
- beg
- blog
- bug
- drag
- drug
- flag
- hug
- jog
- log
- mug
- nag
- plug
- bar
- confer
- infer
- occur
- prefer
- refer
- star
- stir
- transfer
- acquit
- admit
- allot
- chat
- clot
- commit
- jut
- knit
- pat
- regret
- rot
- spot
- submit
- appal
- cancel
- channel
- control
- counsel
- enrol
- equal
- excel
- fuel
- fulfil
- label
- level
- marvel
- model
- pedal
- quarrel
- signal
- travel
- Sugar occurs naturally in fruit.
词源late 15th cent.: from Latin occurrere ‘go to meet, present itself’, from ob- ‘against’ + currere ‘to run’.