occur的用法和短語(yǔ)例句
學(xué)習(xí)英語(yǔ)的時(shí)候，我們將會(huì)遇到很多單詞，有簡(jiǎn)單的，也有難的，那么大家知道occur這個(gè)單詞嗎?它的意思和用法是什么呢?下面是小編給大家?guī)淼膐ccur的用法和短語(yǔ)_occur的用法及例句，以供大家參考，我們一起來看看吧!
★★occur的解釋★★
★occur的用法★
v.發(fā)生;出現(xiàn);存在;產(chǎn)生
第三人稱單數(shù)： occurs
現(xiàn)在分詞： occurring
過去式： occurred
過去分詞： occurred
occur的用法1：occur的基本意思是“呈現(xiàn)在視野、思想、意識(shí)中”。occur常與介詞to連用,意為“發(fā)生”“想起”等。
occur的用法2：occur一般只用作不及物動(dòng)詞,含有“出乎意料”的意味,不可用于表達(dá)意料之中或計(jì)劃之中的事情,也不與suddenly連用。
occur的用法3：occur有時(shí)還可用作系動(dòng)詞,接形容詞作表語(yǔ),多表示“存在”。
occur的用法4：occur沒有被動(dòng)語(yǔ)態(tài),即使含有被動(dòng)意義,也須用主動(dòng)語(yǔ)態(tài)來表達(dá)。
occur to (v.+prep.)
…發(fā)生在 happen to sb (especially of unpleasant events)
occur to sb
I hope no accident has occurred to him.我希望他沒出什么事。
被想起〔到〕 come to mind of (sb/sth)
occur to sb/sth
Such a simple explanation never occurred to me!我從未想到如此簡(jiǎn)單的解釋。
It ～s/ed+to sb+to-v/that-clause
1. If these drugs are stopped abruptly then some withdrawal symptoms mayoccur.
如果突然停服這些藥，則可能出現(xiàn)一些戒斷癥狀。
2. Keep a pad handy to jot down queries as they occur.
手邊放一本便箋簿，以便有問題時(shí)隨時(shí)記下。
3. Nitrates are chemicals that occur naturally in water and the soil.
硝酸鹽是水和土壤中自然存在的化學(xué)物質(zhì)。
4. Emergency cooling systems could fail and a reactor meltdown could occur.
緊急冷卻系統(tǒng)有可能失靈，核反應(yīng)堆有可能發(fā)生堆芯熔毀。
5. Unless you respect other people's religions, horrible mistakes and conflict willoccur.
如果不尊重別人的宗教信仰，就會(huì)禱下大錯(cuò)，釀成沖突。
6. When vacancies occur, the office puts out feelers to the universities.
有空缺職位的時(shí)候，辦事處就到各個(gè)大學(xué)去打探。
7. Changes in temperature occur slowly and are constrained within relatively tight bounds.
溫度變化緩慢，而且局限在相對(duì)較小的范圍內(nèi)。
8. These snails do not occur on low-lying coral islands or atolls.
在地勢(shì)低平的珊瑚島或環(huán)礁上沒有這種螺。
9. About two in every five epileptic fits occur during sleep.
每5例癲癇病中約有兩例是在睡眠過程中發(fā)作的。
10. It did not occur to me to check my insurance policy.
我沒有想到要核實(shí)我的保險(xiǎn)單條款。
11. There will come a time when the crisis will occur.
危機(jī)總有一天會(huì)爆發(fā)。
12. Curiously, the word "gay" does not occur in the index.
奇怪的是，gay這個(gè)詞沒有出現(xiàn)在索引當(dāng)中。
13. Chemical transformations occur.
發(fā)生了化學(xué)轉(zhuǎn)換。
14. No one has suggested how this might occur.
沒人說得清這事是怎么發(fā)生的。
15. They expect bonding to occur naturally.
他們希望能夠建立自然的關(guān)系。
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