Vitamin K is routinely given in the first week of life to prevent bleeding.

维生素K要在婴儿出生的第一周内常规性地补充以防出血。

《柯林斯英汉双解大词典》

The research is being reported this week at the Weizmann U. K. conference at University College London and will appear in an upcoming issue of Physical Review Letters.

研究结果将于本周在魏茨曼英国伦敦大学会议上作出报道，并发表于即将出版的《物理评论通讯》上。

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Last year Michael k. Walters of the Air Force Institute of Technology and I came up with a different way of calculating the cumulative drift of the day of the week.

去年空军理工学院的迈克尔和我找到了另一种计算星期年度移位。

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This week: We play music by Somali-born hip-hop artist K'naan, And answer a listener question about the nation's capital,Washington,D.C.

VOA: special.2009.03.20

After the topic went viral and trended on Twitter earlier this week, K-State apparently had already had enough.

FORBES: Kansas State University's New Eco-Mascot Causing Controversy

K-Rep clients meet once a week under the watchful eye of a K-rep officer who is making sure that everyone has turned up - with the amount due back that week.

BBC: In the black: Credit revolution in Kenya

The senators' move came despite assurances last week from Singapore Foreign Minister K. Shanmugam to Sen.

WSJ: Singapore Probe Becomes Point of Dispute With U.S.