Curtains help keep out the cold air.

窗帘可以把冷空气在。

This will dampen the sound waves trying to hit your eardrums.

耳塞能试图穿过你耳膜声波。

And catechins inhibit the action of lipases, which gives them a minor fat blocking effect.

而儿茶素则会抑制脂肪酶运动，从而产生微弱脂肪作用。

Essentially, SPF measures how much radiation is blocked from reaching your skin.

实际上，SPF 衡量是被在你皮肤射量。

So even if you're using SPF one thousand, that doesn't mean you're protected against UVA.

因此，即使你用了 SPF1000 防晒霜，也并不意味着能 UVA 射。

And the blankets also help trap some of that heat.

毯子也有助于部分热量。

And it doesn't block out all sounds.

而且它不了所有声音。

It also effectively blocks weeds and helps soil warm faster in the spring.

它还能有效地杂草以及帮助土壤在春天更快地变暖。

The sun breaks through the clouds, and finally it all comes together.

阳光穿破云层终光芒万丈。

In winter, it's cut off by snow. All roads in and out are impassable.

冬天，这里被冰雪覆盖。进出之路尽被。

Which shows how important it is to block coughs and sneezes.

这就说明咳嗽和喷嚏必要性。

Furthermore, it lies behind a shroud of dust that blocks any visible light from passing through.

此在它前面还有一层任何可见光线通过尘埃。

Greed has poisoned men's souls has barricaded the world with hate has goose-stepped us into misery and bloodshed.

贪婪毒害了灵魂，并用憎恨了世界，一步步让我们走向痛苦和杀戮。

She helped the minds of her students' scale the mountain walls and reached out to the world beyond.

她开阔了学生头脑，跨越大山直达面世界。

It's that filter that traps the smallest aerosol particles, the kind that can carry the virus.

就是那个能捕获小气溶胶颗粒过滤器，也就是能病毒那种。

One mystery is how it erupted suddenly, all over, in places separated by oceans, mountain ranges, and other earthly impediments.

在由海洋、山脉和其他天然屏障地许多地方，流感为什么突然到处爆发，这是一个谜。

We have super sophisticated air handling systems that prevent any smoke or particulate matter from getting in.

我们拥有超精密空气处理系统，能完全烟雾和颗粒物进入。

Warmer temperatures have allowed new predators once kept at bay by the cold into their previously isolated habitat.

气温升高使得原本被寒冷捕食者能够进入此前离栖息地。

Plosive sounds are made by suddenly releasing air that has been blocked by various parts of the mouth.

爆破音是把口中空气突然释放。

These sounds are made by creating a blockage in the mouth and letting air escape from the nose.

这些音通过在嘴巴中形成并且让空气从鼻子中逃出。