7th助记

7th

第七

例句:

1、

From Jan 28 to March 15, travelers from domestic low-risk areas must provide negative nucleic acid results within seven days upon arrival, they must undergo health monitoring for 14 days and receive two separete nucleic acid tests on their 7th and 14th day in Beijing.

自1月28日至3月15日，国内低风险地区人员进返京须持抵京前7日内核酸检测阴性证明，抵京后实行14天健康监测，满7天、满14天各开展一次核酸检测。

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2、

7th ed.

第七版

《牛津高阶英汉双解词典》

3、

Current situation and development of whole technique at 7th Asian Wushu Routine Championship

第七届亚洲武术套路锦标赛整体技术发展现状分析

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