occur
UK [ə'kɜ:r] US [-'kɝ:] (-rr-)
verb
HAPPEN 发生
ESSENTIAL intransitive
■(especially of accidents and other unexpected events) to happen （尤指事故及其他意外事件）发生•An accident involving over ten vehicles has occurred in the east-bound lane.在东向车道上发生了一起涉及十多辆汽车的交通事故。 •If any of these symptoms occur while you are taking the medicine, consult your doctor immediately.服药期间如果产生了这些症状中的任何一种，要立即就医。
UK [ə'kɜ:r] US [-'kɝ:] (-rr-)
verb
EXIST 存在
intransitive + adverb or preposition
■to exist or be present in, among, etc 存在；出现•Violence of some sort seems to occur in every society.每个社会似乎都会存在某种形式的暴力。 •Minerals occur naturally in the Earth's crust.矿物自然存在于地壳中。
UK [ə'kɜ:r] US [-'kɝ:] (-rr-)
verb
Phrasal Verbs occur to sb
■If a thought or idea occurs to you, it comes into your mind （某人）想到，（想法或主意）出现在（某人）头脑中•The thought did occur to me.我确实冒出了这个念头。 •[+ that] It never even occurred to us that he hadn't been invited.我们压根儿没想到他未被邀请。 •Does it never occur to you that I might like to be on my own occasionally?你难道从没想过有时候我或许喜欢独处？
UK [ə'kɜ:r] US [-'kɝ:] (-rr-)
verb
Common Learner Errors occurWarning: Check your verb endings!Many learners make mistakes when using occur in the past tense.The past simple and past participle have 'rr'. Don't write 'occured', write occu rr ed.The -ing form is occu rr ing. |