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How the T-Rex Lost Its Arms

3,405,313 views

PBS Eons

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English

Speech Time:

96%
  • 7:22 / 7:40

Speech Rate:

  • 191 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

weighed

/wā/

verb

find out how heavy person or thing is.

standing

/ˈstandiNG/

adjective noun verb

performed from rest or upright position, without run-up. Your status or position relative to your community. To take the role of another person.

different

/ˈdif(ə)rənt/

adjective

Not of the same kind; unlike other things.

average

/ˈav(ə)rij/

adjective noun verb

constituting result found by dividing total amount. Total of numbers divided by the number of items. amount to or achieve as average rate or amount over period of time.

evolutionary

/ˌevəˈlo͞oSHəˌnerē/

adjective

relating to or denoting process by which different kinds of organism are believed to have developed.

biological

/ˌbīəˈläjək(ə)l/

adjective noun

relating to biology. substance of biological origin used as drug, vaccine, pesticide, etc..

included

/inˈklo͞odəd/

adjective verb

contained as part of whole being considered. To make someone, something part of a group.

bipedal

/ˌbīˈpēdl/

adjective other

(of animal) using only two legs for walking. Having two feet.

largest

/lärj/

adjective

of considerable size, extent, etc..

dominated

/ˈdäməˌnāt/

verb

To be taller, bigger, or more physically obvious.

dinosaurs

/ˈdīnəˌsôr/

noun other

fossil reptile of Mesozoic era. Reptile that lived millions of years ago.

hunting

/ˈhən(t)iNG/

noun verb

activity of hunting wild animals or game. To look for very carefully; search for.

fearsome

/ˈfirsəm/

adjective

frightening.

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