The act of pouring will generate foam in beer, but even once the beer is poured, dissolved gas, chiefly carbon dioxide, will break out into small bubbles at nucleation sites along the glass wall.

倒啤酒的时候也会起泡，不过即使啤酒已经倒好了，溶解在酒里的气体，主要是二氧化碳，就会跑出来并在玻璃杯壁的成核处变成小气泡。

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The taking of foam or Charmat Method is the second fermentation in autoclave that makes the wine sparkling, because of the carbon dioxide generated by the yeasts.

提取泡沫或罐式香槟法是在高压炉里的第二次发酵，能够使酒起泡沫，因为酵母产生了二氧化碳。

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Use foam, carbon dioxide (CO2), dry chemical or water to extinguish fire.

用泡沫、二氧化碳、干粉灭火剂或水灭火。

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