The stratosphere is the upper layer of the Earth's atmosphere.

平流层指的是地球大气层的上层。

Scientists believe the upper layers of the Earth became completely molten following the impact.

科学家认为地球的上层随着撞击完全熔化。

The upper layer of titanium dioxide also protects the gold beneath it from damage.

上层的二氧化钛也能保护中间的金不受损害。

And that is genius 'cause it's delicious. It's like salted caramel but upper layer of complexity.

真是天才，因为很好吃。它就像咸焦糖，但又有上层的复杂性。

Earthquakes happen when the " plates" — or the crust and upper layer of the earth -- move against each other.

当地球板块互相挤压就会发生地震。

For starters, the heel, insole, midsole, and upper layer are usually made from synthetic textiles like polyester, nylon, latex, and polyurethane.

首先，鞋跟、鞋垫、鞋底夹层和鞋面通常由合成纺织品制成，像聚酯、尼龙、乳胶和聚氨酯。

Only afterwards was the upper layer deposited and colonised by the crabs.

直到后来堆积起了上层地层，并且住进了螃蟹。

The cause is global warming, which, by heating the ocean's upper layer, reduces its density through thermal expansion-thus making it more buoyant.

因为全球变暖导致海洋表层升温，热膨胀会降低海水密度，从而使其浮力更大。

As they shrink, what happens is the upper layer of mud sort of becomes dry, when underneath, it remains pretty wet and sticky.

随着水位下降，湖泥的表层就会变干而下面仍然又湿又粘。

So blankets of snow and ice grains mounted layer upon layer and were of such great thickness that the weight of the upper layers compressed the lower ones.

因而雪花覆盖层和冰粒层层堆积起来直到如此之大的厚度以致较上层的重量压缩较下层。

The suit's sleeves, bottom of the tunic, and boots all extend under the upper layer, to give you double layered protection in several vital areas.

西装的袖子、束腰外衣的底部和靴子都延伸到上层之下，在几个重要区域为您提供双层保护。

This means it’s mixing with more warm water from the upper layers of the ocean, and it’s not as chilly as it heads towards the Equator.

这意味着它与来自海洋上层的更多温暖水混合，并且不像它朝向赤道那样寒冷。

While in the upper layers of the city, people could walk undisturbed between elegant palaces and streets, the lower layer was the place for services, trade, transport and industry.

在城市的上层，人们可以不受干扰地行走在优雅的宫殿和街道之间，而下层则是服务、贸易、交通和工业的场所。