To provide optimal levels of protective micronutrients, a diet must be vegetable-based, not grain-based.

要提供有保护作用的微量营养素的最佳数量，一个饮食必须是以蔬菜为基础的，而不是以粮食为基础的。

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Occasionally, a bubble is not removed during refining, a sand grain refuses to melt, a tremor in the tin puts ripples into the glass ribbon.

"有时候，在提炼的过程中会出现这些情况：一个气泡没有被移除，一个砂粒没有熔化，（熔融的）锡的一次颤动把波纹带进了玻璃带中。

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They do not have the capacity to mill the grain.

他们没有碾磨谷物的能力。

《柯林斯英汉双解大词典》

John Ridley,a grain farmer in New South Wales, says his crop could fail if the rains do not come soon.

VOA: standard.2009.09.03

So you try, if you can grow grain on your land or you grow it where you can, if not, you have to get it elsewhere.

所以你要有一个,如果你的土地适合耕种谷物,或者其它任何可以生产谷物的地方,如果不能,你就必须换个地方了

耶鲁公开课 - 古希腊历史简介课程节选

in some ways, one has to admit also there maybe a grain, if not more than a grain of truth in what he seems to be saying.

我们多么不喜欢他，但必需承认,他可能有点儿道理，但就那么点儿,关于他所说的话。

耶鲁公开课 - 政治哲学导论课程节选

Believe it or not, the cleaning must be sufficiently scrupulous so as to ensure that not a single grain of desert sand is transported out of the Middle East, lest it carry bacteria or diseases back to U.S. shores.

CENTERFORSECURITYPOLICY: Dunkirk in the desert

Project volunteers say the first 110lb (50kg) of milled grain is not yet suitable for public consumption but they hope to see how good it tastes with some private baking.

BBC: Cumbria's Acorn Bank Mill grinds first flour for 70 years

And he did so as someone who truly loved the original, who respected his source material, and who as a general rule carved it with the grain and not against it in his attempt to shape it into the needs of a big budget film trilogy.

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