What Dinosaurs ACTUALLY Looked Like?
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الصعوبة
الترجمة (134 segments)
DownloadThe past is a vast and mysterious land that begins at the big bang and ends in the present,
expanding with each passing moment.
It is the home of everything that came before, the key to understanding our present.
Here we find the most amazing creatures to ever roam our planet, hundreds of millions
of species so diverse that our imagination cannot do them justice.
Unfortunately the past carefully guards its secrets.
While there are a lot of things about the past we know, there are way more things we
know we don’t know.
And worse, there are probably even more things we don’t even know that we don’t know
about.
Think of the wonder of life: We now recognize about 1.5 million eukaryotic species but there
may be as many as 10 million alive today.
And although we are adding some 15,000 new species to our collective knowledge each year,
the vast majority of life on earth is still undiscovered.
Full subtitles available in the video player
Key Vocabulary (10)
Today refers to the current day or the 24-hour period that is happening right now. It can also describe the present time or modern era in a more general sense.
A species is a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. It is the basic unit of biological classification and taxonomic rank in the hierarchy of living things.
The past refers to the period of time that has already happened before the present moment. It includes all previous events, experiences, and people that are no longer here.
"The past is important."
Grammar in This Video
"The totality of all fossils on earth is called the fossil record"
"any sort of remains preserved from past geological ages – bones or shells, impre..."
"While there are a lot of things about the past we know"
"and then be discovered before natural processes dissolve it."
"The past is a vast and mysterious land that begins at the big bang"
"a number of things must go just right"
"they were one of the largest and most successful groups of animals"
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