If you notice a patch of hard, pale, cold skin, you may have frostbite.

如果你在皮肤上发现硬的靑的冷的斑点，那你可能生了冻疮。

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You can get soft real-time performance from the standard kernel or, with a little more work (kernel patch), you can build hard real-time applications.

从标准内核中您可以实现软实时功能，再执行一些额外的工作(内核补丁)您就可以构建硬实时应用程序。

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My mother heard him and swatted him on the arm so hard that a patch of red bloomed on his skin.

我妈听见他这么说，抡圆了在他胳膊上扇了一巴掌，他的皮肤立刻红起一片。

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Apolo Anton Ohno, who still sports his trademark "soul-patch" [of facial hair just above his chin, says his hard work has paid off.

VOA: standard.2010.02.23

Ironically, that hard patch was born of another farm boom.

ECONOMIST: The farmbelt breaks free | The

If you're already running Windows 98 SE or Windows Me on a system with a 933-MHz or faster processor and a large-cache hard disk, Microsoft recommends you check with your PC vendor about availability of the patch.

CNN: Data loss threatens fast Windows systems