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研究:少吃盐可能增加心脏病风险

2011-11-15来源:VOA

短语讲解:

1. A new study casts doubt on the merits of reducing salt in our diet
.
cast doubt on使人对…产生怀疑
例句:She cast doubt on this news.
她对这消息有所怀疑。

2. Graudal mathematically combined the results of 167 previous studies to come up with his results.

come up with (针对问题等)想出;提供
例句:He came up with good ideas for the product promotion.
他想出一个推广产品的好方法。

3. Even a modest reduction for people with high blood pressure is probably a good thing, but the study also found that people on a low-sodium diet had higher levels of cholesterol, which is associated with an increased risk of heart disease.

associate with与…交往, 联系
例句:The doctor was associated in the child's mind with injections and pains.
在孩子的心里, 医生总是使他联想到打针与疼痛。

4. It might be more helpful to look directly for a link between salt consumption and heart disease or death, but Graudal says very few studies have tried to do that.

look for寻找
例句:She is looking for her lost child.
她正在寻找失去的孩子。

5. "It would be very difficult to make a randomized, a big randomized study and keep people on special diets for many years," he explains.

keep on继续
例句:They kept on working after dark.
天黑了他们还继续工作。