Disney's "Sing it: Pop Hits" features a virtual voice coach to teach players crooning techniques for sliding between musical keys, performing harmonies, and breathing properly.

迪士尼的《Sing it： Pop Hits》通过一个虚拟发音教练指导玩家通过滑动音乐按键发出低吟唱腔，表演和声，以及如何正确地呼吸。

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Ideally, after a day's work, testers would run through the entire application, clicking virtual buttons and making sure that the right Windows or ICONS still pop up.

理想状态下，一天工作结束后，测试人员将会跑遍整个应用程序，点击虚拟按钮确保正确的窗口和图标将会弹出。

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Instead, it is filled with pairs of "virtual" particles and their antiparticles, which pop into existence for a fraction of a second before recombining with one another and disappearing again.

相反，真空充满了一对对“真实”的粒子和反粒子，他们急匆匆的在瞬间生存，和另一个结合，之后再次消失。

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On various Web sites you can pop virtual Bubble Wrap.

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Walmart and Mattel joined forces to create a pop-up virtual holiday toy store in a high traffic area of Toronto.

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Users can orient the 24-inch screen on its side for TV viewing then pop it upright to create a virtual jukebox or arcade.

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