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 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。

Their blowhole is just inches beneath the surface.

他的换气孔距海面只有几英寸。

Fumaroles, boiling cauldrons, hot mud and springs — the geothermal activity is evident everywhere here.

火山喷气孔、沸腾的汽锅、热泥浆和温泉——地热动在这里随处可见。

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。

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

Snotbot 会跟着鲸鱼，捕捉从它的气孔喷出的粘液。

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

海迫使空气穿过气孔之下的鼻道制造出声音。

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。

Then prepare a box with some air holes and peat moss to store the roots.

然后准备一个有一些气孔和泥炭苔的箱子来存放该植物的根。

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。这些气孔小到我们的眼睛都看不见。

Those jets are for my secret spot, not his!

那些喷气孔是为我的关键部位服务的，不是他!

See the black smudges in the air vent?

看到通气孔上的黑色污渍了没？

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

我们会在叶子的背面找到那些时髦的小气孔。

Images show jets of gas emitted from very specific places on the surface, and there are wide circular pits here and there which may be gas vents, growing wider over time as the ice below is depleted.

图片显示，它表面的一些特定地方喷出了气体，到处都是圆形的坑洞，可能是排气孔，随着时间的推移，下方冰层的枯竭，这些坑洞就越来越。

The snot is rich with fresh DNA, viruses and bacteria, and is collected by a drone that hovers over the blowholes of humpback whales

鼻涕里富含新鲜的DNA（脱氧核糖核酸）、病毒、细菌。鼻涕是由无人机收的。无人机就盘旋在座头鲸上方的气孔处。

It is made from a blend of crushed rock, rubber and polyurethane, a synthetic plastic that replaces bitumen as the binding agent and allows even bigger pores in the road surface.

它由碎石、橡胶和聚氨酯制成，人造塑胶聚氨酯可以代替沥青，因为这种粘剂可以允许更的气孔存在于路面。

When a whale or dolphin reaches the surface, it breathes in a big gulp of air through its blowhole on the top of its head, which is basically their nostril hole.

当鲸鱼或海到达水面时，它通过头顶上的吹气孔口口地呼吸，这其实就是它们的鼻孔啦。

Well, all land plants lose water when the pores on their leaves open up during photosynthesis, and this evaporation draws more water up through their stems.

所有陆生植物在进行光作用时，水分会从叶片上打开的气孔散失，这些蒸腾的作用会拉升更多水分进入树干。

The material, which includes spherical, ellipsoidal, and dumbbell-shaped glass beads as well as colloidal items with a porous structure and sputtering material in fluid form, have also been found.

此外，还发现了球状、椭球状、哑铃状等形状的玻璃珠，以及气孔构造的胶结质和流体形态的溅射物。

You can see now that it is fastened to a hook just above where the little opening for the ventilator is.

现在你能看清，绳子刚好是系在小小的通气孔上面的钩子上。