The diet is based on the premise that grapefruit has an enzyme that burns fat, says Andrea N. Giancoli, a spokesperson for the American Dietetic Association, but that enzyme has never been pinpointed.

美国饮食协会的发言人Andrea n . Giancoli说，这种饮食是以葡萄柚含有能燃烧脂肪的酶为前提的，但这种酶从未被准确地找出。

youdao

An observational study of the stroke association family support organizer service Harding j. Lincoln n. b.

脑卒中协会家庭支持组织服务中心的观察研究。

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Objective To determine the association of N-acetyltransferases 2(NAT2)genetic polymorphisms and the susceptibility to stomach cancer.

目的探讨N-乙酰转移酶2（NAT2）基因多态性与胃癌易感性的关系。

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The N.E.A.and the National Parent-Teacher Association established Teacher Appreciation Week.

VOA: special.2010.04.30

Faced with mounting pressure from the world powers over its controversial nuclear program, Iran said last month that it was ready to re-engage with the International Atomic Energy Association, the U.N. nuclear watchdog.

CNN: STORY HIGHLIGHTS

In 2010, the International Air Transport Association asked the U.N. body representing the world's aviation regulators to take a look at management of unruly passengers in light of evidence that most rarely face official action.

CNN: Air rage: Passengers 'quicker to snap'

But David Landsman, head of the National Money Transmitters Association, a Great Neck, N.

FORBES: Magazine Article