Most crystalline rocks are much more solid; a common exception is basalt, a form of solidified volcanic lava, which is sometimes full of tiny bubbles that make it very porous.

大部分结晶岩石都非常坚硬，但也有例外，最常见的就是玄武岩，它是一种火山岩浆凝固后的形态，内部充满了微小的气泡，因此也具有多孔渗水的特点。

youdao

Six: Tiny bubbles, for those leisurely soaks we love so much.

第六件：小泡泡，代表我们最爱的泡泡澡。

youdao

It works in conjunction with a foam that contains billions of tiny bubbles.

它与一种含有几十亿个微气泡的泡沫合并使用。

youdao

Respiring yeast cells release carbon dioxide which gets trapped and so forms tiny gas bubbles.

FORBES: Why Lawsuits Over Subway's Short Footlong Sandwiches Are Baloney

When water velocity is high, the pressure within the liquid drops to below the vapour pressure of water, allowing tiny air bubbles to expand.

BBC: Shrimp, bubble and pop

So we opted for a sombre burial in the Greenhouse, under the shade of the tallest of the mangroves, though in truth it meant a slightly watery grave after all, stuff seeping up through the muck to swallow the foot, bubbles of mud detaching and floating among us during our tiny, foot-size ritual observances.

NEWYORKER: Lostronaut