previously
英 [ˈpriːviəsli]
[ADV]
1. 先前地
Previously means at some time before the period that you are talking about.
近义词
earlier , formerly
反义词
双语例句
例：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。
例：The contract was awarded to a previously unknown company.
该合同给了一家先前不知名的公司。
例：a collection of previously unpublished poems.
一个之前从未发表过的诗集。
2. （某时长）之前
You can use previously to say how much earlier one event was than another event.
近义词
双语例句
例：He had first entered the House 12 years previously.
他12年前首次进入了众议院。
ADV. 副词
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