But now researchers at Harvard suggest that the protein has a real and unexpected function - it may be part of the brain's normal defenses against invading bacteria and other microbes.

但是现在哈佛大学的研究人员表示，这种蛋白的确是有不为人知的功能，它是大脑抵御细菌和其他微生物入侵系统的一部分。

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Another reason interviewers try to get you to relax is to make you drop your defenses so they can see "the real you."

另一个面试官尽力让你放松的原因就是让你放下提防心，以便他们能看到“真正的你”。

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A useful siege unit, but it seems to lack any real punch against serious base defenses.

是有效的攻城单位，但是针对结实的城防的时候似乎不大有效。

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Republicans in particular felt that substituting the threat of mass murder for real defenses was dangerous and immoral.

FORBES: Missile Defense Becomes A Navy Mission

Policymakers knew America needed its own force of long-range missiles to deter a Russian attack, but deterrence was a new idea so they also wanted to have the protection provided by real defenses.

FORBES: Missile Defense Becomes A Navy Mission

The real issue is: Will missile threats to the American people be put into place before defenses against them can be?

CENTERFORSECURITYPOLICY: Center for Security Policy | Christopher-Perry Join The Debate On Missile Defense: Will The House Defend Clinton��s Program �� Or Defend America?