Sifting is important for soft, fluffy, and airy biscuits.

想要做出松软、蓬松、有气孔的酥饼，用筛子筛一筛是很重要的。

The Snotbot follows the whale to capture the mucus shot out from its blowhole.

Snotbot 会跟着，捉从它的气孔喷出的粘液。

The material is a kind of foam: a solid substance that is filled with air and is soft.

一种满是气孔的固体质，手感柔软。

They had to breathe the poisoned air through the extremely small pores in their leaves.

它们不得不通过叶子上极小的气孔呼吸有毒的空气。

See the black smudges in the air vent?

看通气孔上的黑色污渍了没？

Every few cells, there are huge openings called stomata, like mouths, sucking in air and blowing out oxygen.

每隔几个细胞，你看被称为气孔的巨大开口正如嘴巴般吸入空气，并吐出氧气。

Dolphins make these sounds by forcing air through a nasal passage just beneath the blowhole.

海豚迫使空气穿过气孔之下的鼻道制造出声音。

The green leaves are covered with tiny holes, too small for our eyes to see.

绿叶上面, 满是细小的气孔。这些气孔小我们的眼睛都看不见。

Even movement of the plant, whether from wind or something else, affects how reactive stomata are.

如果植有所移动，那么无论是因为风还是其他什么原因而发生的移动，都会影响气孔的响应方式。

It's got these little pores called stomata, which open up so carbon dioxide can diffuse into the leaf.

叶子底部有些被称为气孔的小孔，气孔打开后，二氧化碳可以扩散叶子里。

So driven by the fumaroles, these caves are really active.

在喷气孔的推动下， 这些洞穴真的很活跃。

Their blowhole is just inches beneath the surface.

他的换气孔距海面只有几英寸。

Whales, like all mammals need air, and come to the surface to breathe through a blowhole.

和所有哺乳动一样，都需要空气。来水面呼吸是通过气孔实现的。

But previous studies have shown that airier, fluffier breads do indeed taste saltier to testers.

但目前的研究已表明遍布气孔且蓬松的面包会更咸。

The skull also lacks a blowhole, another cetacean adaptation for diving.

颅骨上缺少一个可以进行适应性潜水的排气孔。

One toxin coronatine makes plants' stomata open up, allowing bacteria to enter more freely.

一旦毒素冠菌素打开了植株的气孔，细菌入侵就更畅通无阻了。

You think that's something? Stand over this heating vent.

你觉得这有什么了不起吗? 站这个暖气孔的上方。

And we'll find those funky little stomata on the underside of the leaf.

我们会在叶子的背面找那些时髦的小气孔。

The whale let out a loud sound through its blowhole.

通过它的气孔发出响亮的声音。

Lee didn't actually have taste-testers sample different types of pore-filled blocks—that's next.

李并没有进行品尝各种不同气孔块状的测试—那是接下来他们要做的。