When I sweated, it felt as if acid was poured all over me.

当我出汗时，感觉就像被酸浇了全身一样。

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If they can satisfy such demanding users, lead-acid batteries with a dash of carbon could be ready to lead a new charge.

如果这些电池可以满足如此需求的用户，有少量碳的铅酸电池可能导致一个新的收费。

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In fact, if you mix an acid and a base of equal strength, you will get a new liquid that is close to being neutral.

事实上，如果你将等量的酸碱混合，你会得到一种新的中性液体。

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Scientists are testing bone from Nikumaroro to learn if DNA, deoxyribonucleic acid, can be recovered from it.

VOA: special.2011.01.18

Fatty acid chains are fat molecules, they behave, if you have a lot of them in solution like oil.

脂肪酸链就是脂肪分子,它们看上去好像,如果你见过富含脂类的溶液,比如油

耶鲁公开课 - 生物医学工程探索课程节选

Proteins are only susceptible to phosphorylation if they have certain kinds of amino acid sequences.

只有含这些氨基酸的蛋白质,才能够被磷酸化

耶鲁公开课 - 生物医学工程探索课程节选

If acid secretions are normal, or if they don't correlate with the patient's symptoms, it is a strong clue that the heartburn has another cause.

WSJ: Why Your Heartburn Drugs Don't Work

Over time, if untreated, acid reflux leads to inflammation (esophagitis) and difficulty in swallowing that can cause a partial closing of the lower esophagus (stricture).

FORBES: Be Cool About Heartburn

Importantly, the effect was only apparent if mothers took the folic acid supplements during the six weeks before and the six weeks after conception.

FORBES: More Prenatal Vitamins Could Mean Less Autism, Study Says