previously是什么意思？

previously

英[ˈpriːviəsli] 美[ˈpriːviəsli]

adv. 事先，以前，仓促，“previous”的派生；

比较级：more previously;

最高级：most previously;

形容词：previous;

相关单词 mightpreviously more previously most previously

例句

They used strings previously treated with powdered glass. 他们使用了事前用玻璃粉末处理过的绳子。
The previously free (= not paid for) distribution of text books will now be confined to students who are needy. 以前免费发放课本，现在只给贫困学生。
A number of trades,previously thought of as lowly ones,began to receive more attention. 从前被人们视为卑贱的一些职业现在开始受到更多的重视。
The bicycle tyre blew out at a previously damaged point. 自行车胎在以前损坏过的地方又爆开了。
These black models are moving in on what was previously white territory: the lucrative cosmetic contracts. 黑人模特正逐步涉足曾是白人主宰的领地：签约获利丰厚的化妆品行业。
The previously free ( = not paid for ) distribution of text books will now be confined to students who are needy. 以前免费发放课本,现在只给贫困学生.
Previously, researchers had found nearby pillow lavas , bulbouslava flows that form - under water. 以前, 研究人员在附近发现了形成于水下的枕状熔岩和球根状熔岩流.
Previously scientists have only managed to make straight or kinked structures. 此前的科学家们只能设法构建出笔直或拗折结构.
However, these were incapable of being inactivated ethylene oxide as stated previously. 不过如前所述, 这些孢子也无法被环氧乙烷灭活.
The action is similar to that of other automatic chokes previously discussed. 其作用与上面讨论过的其它自动阻风门相似.

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同义词

previously的同义词之：
already formerly before once

英语四级真题

He stood out in three ways－as a technologist, as a corporate （公司的）leader and as somebody who was able to make people love what had previously been impersonal, functional gadgets.
出自-2012年12月阅读原文
92 were found to have higher nicotine yields than they did six years previously.
2016年6月四级真题（第二套）听力 Section A
As I sat blocked and clueless for two solid days, I momentarily wondered if I couldn't just call an expert on the subject matter which I was tackling, or someone who took the class previously, to get me going.
2017年12月四级真题（第一套）阅读 Section B
The International Union for Conservation of Nature had previously considered the area a "possible range" for the species, and local people had reported seeing lions in the area, but no one presented convincing evidence.
2017年12月四级真题（第二套）听力 Section A
The result is that the commitments that previously characterized the beginning of adulthood are now being delayed, and new patterns of behavior and a new stage of life are emerging for those in their twenties.
2019年6月四级真题（第一套）阅读 Section B
The scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
2017年6月四级真题（第二套）听力 Section A
The team at Stanford investigated the aquifers below this depth, and found that reserves may be triple what was previously thought.
2018年12月四级真题（第一套）阅读 Section C
The TV station reported that by completing the swim the fourth-grade student from Los Banos broke a record previously held by a ten-year-old boy.
2019年6月四级真题（第一套）听力 Section A

英语六级真题

Some law firms now use artificial intelligence software to scan and read mountains of legal documents, work that previously was performed by highly-paid human lawyers.
出自-2012年12月阅读原文
At a time when natural history was a valuable tool for discovery, Merian discovered facts about plants and Insects that were not previously known.
2018年12月六级真题（第二套）阅读 Section B
In fact, when Twenge previously used this data to suggest a screen time effect, some commentators were quick to raise this problem.
2019年12月六级真题（第一套）阅读 Section B
Satellite observations and submarine surveys over the past few years had shown less ice in the polar region, but the recent measurements show the loss is more pronounced than previously thought.
2016年6月六级真题（第一套）听力 Section C
The company had previously announced the planned closures, but had not said which locations would be affected.
2017年6月六级真题（第一套）阅读 Section C

柯林斯高阶英汉双解学习词典释义

ADV

先前；以前

Previously means at some time before the period that you are talking about.
例句
Guyana's railways were previously owned by private companies... 圭亚那的铁路以前是归私有企业所有的。 The contract was awarded to a previously unknown company... 合同签给了一个之前并不知名的公司。
ADV

（一段时间）以前

You can use previously to say how much earlier one event was than another event.
例句
He had first entered the House 12 years previously... 12年前，他首次成为议员。 She had rented the flat from the council some fourteen months previously. 大约14个月以前，她从地方政府那里租下了这套公寓。

英汉词典释义

adv.
事先;以前
The bicycle tyre blew out at a previously damaged point. 自行车胎在以前损坏过的地方又爆开了。 A number of trades,previously thought of as lowly ones,began to receive more attention. 从前被人们视为卑贱的一些职业现在开始受到更多的重视。 Let me digress for a moment and explain what had happened previously. 让我岔开一会儿,解释原先发生了什么。
<美><口>仓促地;不成熟地

英英词典释义

Adverb
1. at an earlier time or formerly;
"she had previously lived in Chicago""he was previously president of a bank""better than anything previously proposed""a previously unquestioned attitude""antecedently arranged"

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