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Four thousand troops have been reorganized into a fighting force.

4000人的军队已经被改编成了一支战斗力强的精锐部队。

《柯林斯英汉双解大词典》

Mr Nash says there is “a nice little race” to be among the first 30 countries whose ratification would bring the treaty into force (four did so immediately).

纳什说对于首先获准实施此项协议的30个国家而言，将会有“一个小比赛”。 其中的四个国家则立即付诸实施。

youdao

Over a number of years, we intend to build on this relationship in a staged way to a full force of around 2, 500 personnel -- that is a four Marine Air Ground Task Force.

WHITEHOUSE: President Obama��s News Conference with Prime Minister Gillard of Australia | The White House

Construction will be particularly hard hit, since Brown also aims to force Californians, four-fifths of whom prefer single-family houses, into dense urban apartment districts.

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"He's the four-star general of the largest police force in the country and here he is, " Mr. Moreno said.

WSJ: NYPD Losing Its 'Four-Star General'