如果看到锅底有气泡升起，就说明温度过高了——汤水应该保持“微光”而不是起泡。

If you see any bubbles coming up from the bottom of the pan, it's too hot — the liquid should "shimmer" rather than bubble.

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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。

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.

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气泡因它的起泡而迷人。

Bubbles are engaging because of their effervescence.

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