When dogs looked at expressions of angry dogs, their eyes rested more on the mouth, perhaps to interpret the threatening expressions.

当狗狗看到愤怒的同类时，它们的视线更多地会落到嘴巴上，也许这样是为了解读威胁的表情。

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When dogs looked at the expressions of angry dogs, their eyes rested more on the mouth, perhaps to interpret the threatening expressions.

当狗狗看到愤怒的狗狗时，它们的眼睛更多地停留在嘴巴上，也许是为了分析那些威胁性的表情。

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But, for complex expressions, and especially for expressions that are frequently used in your application, compilation can offer dramatic performance increases.

但是对于复杂的表达式，特别是在应用程序中频繁使用的表达式，编译可以极大地改善性能。

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Every week at this time, the Voice of America tells about popular words and expressions used in the United States.

VOA: special.2009.03.22

What I have now is the following: I can write expressions, do combinations of things to get out values, I can store them away, I can print them up.

我已经讲过如下内容：,如何写表达式，如果把东西混合然后得到结果值，我可以将其保存，也可以将其显示。

麻省理工公开课 - 计算机科学及编程导论课程节选

in which the three parts of the city and the three parts of the soul are direct expressions of one another.

是一种城市的三个阶级,与灵魂的三个部份,彼此直接呼应的和谐状态。

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Spontaneous expressions originate from different parts of the brain than the controlled, posed expressions we see in the lab.

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Forward-looking statements generally can be identified by the use of forward-looking terminology such as, "believe, " "expect, " "may, " "will, " "intend, " "estimate, " "continue, " or similar expressions or the negative of those terms or expressions.

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It therefore recognizes that States have the right to formulate and implement policies that encourage equitable access to all cultural expressions of the world, and, in so doing, necessarily promotes openness to those expressions of other cultures.

UNESCO: Diversity of Cultural Expressions