打开和关闭声音效果或背景音乐。

Turn on and off sound effects or background music.

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图形，声音效果和背景音乐将受理每一个人。

The graphics, sound effects and background music will entertain every individual.

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此范例会在背景播放重复循环音效。

This example plays a looping sound in the background.

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此范例会在背景中播放音效。

This example plays a sound in the background.

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此范例会在背景中播放音效。

This example plays a sound in the background.

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