The researchers note that NSAIDs can be protective against certain type of cancer.

研究者指出非类固醇类抗炎药能够预防某种类型的癌症。

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Vitamin d: Required for mineral absorption. Strongly protective against breast and colon cancer.

维生素d：维生素d是矿物质的吸收所必需的，它能有效地预防乳腺癌和结肠癌。

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Staying with children at the beginning of sleep, conversely, appeared protective against delays in slumber.

另一方面，在孩子开始睡觉时就陪在旁边下，可以避免推迟入睡。

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Two years ago,European researchers reported that aspirin may have what they called a "long-term protective effect against colorectal cancer."

VOA: special.2010.12.14

So you hear about the Omega-3 fatty acids coming from seafood and these tend to be protective against diseases.

你们应该听过海鲜中提取的ω-3脂肪,这种脂肪能抵御多种疾病

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So you could have--be consuming fat that is in itself good for heart health let's say, or maybe protective against cancer in some ways, but it's also adding calories to the diet, so you want to have the optimal amount of fat and not over-consume it because of the calories.

所以你可能是在食用,有益于你心脏健康的脂肪,打个比方,又或是在某种程度上可以抗癌,但它也给你的饮食增加了热量,因此为了减少热量应该食用适量,而非过量的脂肪

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In this regard, everything that is good for your heart is also probably protective against developing bipolar disorder.

CNN: Can a person 'discourage' bipolar disorder?

The government knew at least as early as the mid-1940s that potassium iodide was protective against I-131 absorption by the thyroid.

FORBES: 1st Person | Facing an Unsettled Future After Radiation Exposure

Most helmets are a bit like eggs: good at withstanding compressive forces across the entire shell, but not so protective against localised impacts.

ECONOMIST: MONITOR