Intelligence experts are concerned the latest alert, while possibly averting a disaster, could compromise possible intelligence networks.
情报专家对最新的警告表示关注，虽然这可能避免了一场灾难，但是也可能使得导致发出这项警告的情报来源曝光。
The key, security experts say, is to stay alert and vigilant, preventing an attack before it happens and that, in turn, demands good intelligence.
安全专家表示，关键是保持警惕，在袭击发生之前将它们阻止。反过来，这需要充分的情报。
The ideal Boston Terrier expression is alert and kind, indicating a high degree of intelligence.
波士顿梗理想的表情是警惕而和蔼，显示出智商非常高。
The ideal Boston Terrier expression is alert and kind, indicating a high degree of intelligence.
波士顿梗理想的表情是警惕而和蔼，显示出智商非常高。
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