island- a land mass (smaller than a continent) that is surrounded by water isthmus- a relatively narrow strip of land (with water on both sides) connecting two larger land areas land mass,landmass- a large continuous extent of land
获取完整的剧集台词和单词统计,请移步赞赏区(无需赞赏),关键字“地球脉动”
Some 300 million years ago, there was just one continent, a massive supercontinent called Pangaea. This means there was just one giant sea, called Panthalassa. 32. The planet is filled with riches (Image credit: Getty Images) And these vast seas are rich, holding more than 20 million tons...
The chain began with the simple molecules found in the early cloud dusts, and culminated with the building blocks of life from which life on Earth first sprang. The chain leading to life.这条链条从早期云尘中发现的简单分子开始，到形成生命的基石，地球上的生命就是从这些基石开始萌芽的。一条生命...
When Dinosaurs Ruled the Earth: Directed by Val Guest. With Victoria Vetri, Robin Hawdon, Patrick Allen, Drewe Henley. Sanna escapes being sacrificed and meets Tara. Together, they live in a seaside tribe that worships the Sun God and survive the dangers
portions of a single enormous southern continent—designatedGondwana(or Gondwanaland)—foundered to create the Atlantic andIndian oceans. Such sunken lands, along with vanishedland bridges, were frequentlyinvokedin the late 1800s to explain sediment sources apparently present in theoceanand to account fo...
Jack Wright, is an Internal Research Fellow with the European Space Agency (ESA). What sets Earth apart from other planets in the solar system? From what we know so far, Earth is the only planet that hosts life and the only one in the Solar System with liquid water on the surface. ...
Bringing together a large mass of geologic and paleontological data, Wegener postulated that throughout most of geologic time there was only one continent, which he called Pangea. Late in the Triassic Period (which lasted from approximately 251 million to 199.6 million years ago), Pangea fragmented...
The United Nations is committed to leading these cooperative global efforts, because the only way forward is to work with nature, not against it. Together, we can ensure that our planet not only survives, but thrives, because we have Only One Earth. ...
Geoscientists have long been concerned with understanding, analyzing, modeling, and forecasting mass wasting hazards, as landscape evolution, geomorphic processes, and natural hazards are closely interconnected. Landslides are one of the most frequent causes of natural disasters worldwide. The impact of...