An ice shelf is a large floating sheet of ice permanently attached to a landmass.

冰架是永久附着陆地上的一块巨大的漂浮冰层。

It's believed the emergence of landmass began roughly 4 billion years ago.

也就是陆地上升时期大约始于40亿年前。

Eventually, the landmass will break right off, giving birth to a brand new ocean.

最终，这片地块会分裂，孕育出一片崭新的海洋。

Roughly 70% of Earth's surface is water, and much of its landmass is unpopulated.

因为大约70%的地球表面都是水，而即便是陆地，也还是有很多地方是无人居住的。

They could be rocky like Earth or water worlds without landmasses.

它们可能跟地球一样多岩石，也可能是没有陆地的水世界。

The larger the landmass, the less of impact these change have.

地域越广，这种变化的影响越小。

The life that was hit the hardest was that lived on the smaller landmasses.

受到最大打击的命是较小陆块之上的那些。

During that period, most of the world's big landmasses were connected in what scientists call Pangea.

此期间，世界上大分大片陆地都连接科学家所谓的盘古大陆上。

I think the way that the city's actually squeezed into this island landmass that kind of compresses.

我想这座城市真的是拼命挤进了这块岛屿填成的陆地，只得压缩它，压缩体验、压缩空间、压缩时间。

We are the countries of the continent of Europe, the northwestern portion of the large landmass called Eurasia.

我们是欧洲大陆的国家，位于亚欧大陆的西北。

We are the countries of the continent of Europe, the northwestern portion of the larger landmass called Eurasia.

我们是欧洲大陆的国家，位于亚欧大陆的西北。

As recently as 11,000 years ago, the two continents were actually connected by a landmass known as Beringia.

直到 1.1 万年前，这两个大陆实际上还被一块叫做白令陆桥的陆地连接一起。

Historians estimated the empire once ruled more than 400 million people and had 25 percent of the earth's landmass.

历史学家估计，这个帝国曾经统治着超过4亿人口，拥有地球25%的陆地。

Trees and vegetation currently cover over 50% of Singapore's landmass, reducing the need for air conditioning and encouraging low-pollution transportation.

目前，树木和植被覆盖了新加坡 50％ 以上的陆地，减少了对空调的需求，并鼓励了低污染的交通运输方式。

Gondwanax means " lord of Gondwana." The name suggests the Gondwana landmass in the southern area of the supercontinent Pangaea.

Gondwanax的意思是“冈瓦纳之主”。这个名字表明冈瓦纳大陆位于泛大陆的南地区。

In extreme cases, like what might happen to the Maldives in a few decades, entire landmasses may become completely swallowed.

极端情况下，比如马尔代夫几十年后可能会发怎样的情况，整个大陆可能会被完全吞没。

We need to figure out how eight billion people reside on this landmass.

我们需要弄清楚 80 亿人是如何居住这片陆地上的。

Many islands and landmasses were formed by these battles.

许多岛屿和陆地都是由这些战斗形成的。

You'd live on an enormous landmass on the inner side of the ring.

你会住环内侧的一块巨大的陆地上。

Take a tour from the harbor to Hashima Island, an eerie landmass which was once home to miners and their families.

参加游览，从港口搭船至端岛，这块岛屿相当奇妙，过去曾是矿工及其家人的落脚处。