previously
以前
常用释义
英音[ ˈpriːviəsli ]
美音[ ˈpriːviəsli ]
基本释义
- adv. 以前地，先前地
考试频率
中考
考频：近四年出现1次
- adv. 以前地; 先前地
高考
考频：近六年出现1次
- adv. 以前地; 先前地
四级
考频：近五年出现7次
- adv. 以前地; 先前地
六级
考频：近五年出现2次
- adv. 以前地; 先前地
考研
考频：近六年出现3次
- adv. 以前地; 先前地
例句
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1·His statement ran athwart what was previously said.他讲的话与先前所说的相抵触。来源: 《牛津词典》
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2·The contract was awarded to a previously unknown company.该合同给了一家先前不知名的公司。来源: 《柯林斯英汉双解大词典》
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3·Guyana's railways were previously owned by private companies.圭亚那的铁路先前为私营公司所拥有。来源: 《柯林斯英汉双解大词典》
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4·Radiation may damage cells in a way that was previously unforeseen.辐射也许会以以前未预见的方式损坏细胞。来源: 《柯林斯英汉双解大词典》
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5·I should like to add a corrective to what I have written previously.我想对我先前写的内容进行补充修改。来源: 《牛津词典》
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6·Marine life was discovered at depths previously thought to be azoic.在先前被认为没有任何生命迹象的海洋深处发现了海洋生物。来源: 《牛津词典》
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7·He may suddenly take a dislike to foods that he's previously enjoyed.他也许会突然讨厌他以前喜欢吃的食物。来源: 《柯林斯英汉双解大词典》
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8·A previously unknown extremist group has said it carried out Friday's bomb attack.一个先前未知的极端分子组织声称其实施了周五的炸弹袭击。来源: 《柯林斯英汉双解大词典》
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9·Women's sports are breaking down the barriers in previously male-dominated domains.女子体育运动正在打破障碍进入一些先前由男子占主导地位的领域。来源: 《柯林斯英汉双解大词典》
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10·The drug is to be reclassified after trials showed it to be more harmful than previously thought.试验显示这种药比先前想象的危害更大，要重新归类。来源: 《牛津词典》
同义词
adv.
以前；预先；仓促地
同根词
词根：
previous
previous
adj
以前的；早先的；过早的
previous
adv
在先；在…以前
词语辨析
ago/before/formerly/previously.导航词义：以前
ago:adv. 以前.指从现在起往前推算一段时间，通常和一般过去时的动词连用。
He left a moment ago.
他刚走。
There was a pond here three years ago.
3年前，这里有一个池塘。
before:adv. 先前，以前.指过去某时间之前的时间或泛指以前，通常与动词的现在完成时连用，有时也可与动词的过去完成时或一般过去时连用，也可用于具体的一段时间；在间接引语中用 before 而不用 ago。
Have you heard about it before?
你过去听说过这件事吗？
I have never met him before.
我以前从未见过他。
He said that he had met the man somewhere before.
他说他以前在什么地方见过这个人。
He was in Italy the week before.
他前一个星期在意大利。
formerly:adv. 以前，从前.泛指以前，有时常用于对比。
Formerly, Ted often lingered around a park, with nothing to do.
从前，特德时常在公园里闲逛，无所事事。
He was formerly a worker, but now he is a manager of a shop.
他曾经是个工人，可现在他是一家商店的经理。
previously:adv. 以前，先前.与 before 用法相同，但更加正式。
I haven't met him previously.
我以前没有见过他。
She previously worked as a teacher.
她过去当过教师。
Six months previously he had quitted his job.
6个月前他辞职了。