Cut the circular cake in half and set each semicircle against adjoining sides of the square to form the top of the heart.

把圆形蛋糕切成两半，把每个半圆放在正方形的两边，形成心形的顶部。

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The scientists found that people who sip one to three drinks a day are about half as likely to suffer heart attacks as nondrinkers are.

科学家们发现，每天喝一到三杯酒的人患心脏病的几率是不饮酒者的一半。

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Perhaps he knew in his heart that men have conquered half the known world, looted whole kingdoms, and never arrived in such luxury.

也许他心里知道，人类已经征服了半个已知的世界，掠夺了整个王国，并且从来没有到达过如此奢侈的地方。

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After one year, the risk of heart disease for a non-smoker is half that of a smoker.

VOA: special.2010.03.09

Doctor Yusuf said the single pill, taken once a day, could reduce the average person's risk of heart disease and stroke by about half.

VOA: special.2009.04.08

In the year and a half before the ban, hospitals had 399 admissions for heart attacks.

VOA: special.2009.01.07

Even those with half a heart dread delivering bad news.

FORBES: Magazine Article

His son Albert, who was born with half a heart, had open heart surgery when he was only seven days old and has received ongoing treatment at Glenfield Hospital.

BBC: Glenfield heart surgery e-petition exceeds target

Half of all heart attack survivors have a damaged heart called low ejection fraction.

FORBES: Health and Medicine at the Inflection Point--Today's Perspective from Ray Kurzweil