Acting to defend against or prevent something, especially disease; protective.

预防的防范或预防某物的，比如疾病；保护性的。

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Almost like clones in their similarity to one another, the cheetah species' homogeneity makes them especially vulnerable to disease.

就像克隆人之间的相似性一样，猎豹这一物种的同质性使它们特别容易受到疾病的伤害。

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Some digging around in historical records revealed that there was a change in the incidence of water-borne disease at that time, especially dysentery.

一些历史记录显示，当时水源性疾病的发病率发生了变化，尤其是痢疾。

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The disease especially affects the ability to see, the sense of touch and the use of the arms and legs.

VOA: special.2009.01.06

The researchers say the test will make it easier to identify and contain the disease, especially in children.

VOA: special.2010.04.20

That is especially true if the disease is found early.

VOA: special.2009.09.15

If you have two or more of the above risk factors, or if your waist is greater than 40 inches (for women, greater than 35 inches), that puts you at higher risk for obesity-related diseases, especially heart disease and diabetes.

CNN: Can BMI be adjusted for muscular builds?

Speaking on BBC current affairs programme The Wales Report, she said she wanted to see urgent action taken to vaccinate children over the next month, especially as the disease is more likely to spread as they return to school.

BBC: Wales

Infection by a virus called the human herpesvirus 8 (HHV-8) is associated with Castleman disease, and doctors suspect that it may play a role, especially in multicentric Castleman disease.

CNN: Castleman disease