By Levels

Library

EXP: 08888
HITS: {{lyricTraining.hits}}888
STREAKS: {{lyricTraining.streaks}}888
TIME: {{lyricTraining.timeout / 1000}}88
{{word.word}}

{{cue.translated_text}}

{{lyricTraining.hint}}

x{{playblackSpeed.toFixed(2)}}

Loading ..

Not Found

{{annotation.word}} ({{annotation.pos_simplify}})

/{{annotation.phonetic}}/

{{annotation.translation}}

{{annotation.name}}

{{annotation.sub_type}}

{{annotation.definition}}
Back

Games & Quizzes

Training Mode - Typing
Fill the gaps to the Lyric - Best method
Training Mode - Picking
Pick the correct word to fill in the gap
{{game.name}}
{{game.description}} Requires {{game.required_annotions}} vocabulary annotations

Congratulations! You gained {{totalPoint}} XP

You may need to watch a part of the video to unlock quizzes

Don't forget to Sign In to save your points

Repeat Skip ({{game.question_index}}/{{game.questions.length}})
{{part}}
Repeat Skip ({{game.question_index + 1}}/{{game.questions.length}})
{{choice.text}}
{{choice.text}}

Make correct pairs from two columns

{{lyricTraining.finished && lyricTraining.timed_out ? 'Timed Out' : 'Challenge Accomplished'}}

PERFECT HITS {{lyricTraining.stats.PERFECT_HITS}} +{{lyricTraining.stats.PERFECT_HITS * 20}}
HITS {{lyricTraining.stats.HITS}} +{{lyricTraining.stats.HITS * 10}}
LONGEST STREAK {{lyricTraining.stats.LONGEST_STREAKS}} +{{lyricTraining.stats.LONGEST_STREAKS * 10}}
REMAINING TIME {{lyricTraining.timeout / 1000}}s +{{lyricTraining.timeout / 1000}}
TOTAL +{{lyricTraining.exp}}
{{word.word}} - {{dictionary.definition[0].phonetic || ("/" + dictionary.phonetics +"/")}} - {{word.translation}}

We couldn't find definitions for the word you were looking for.
Or maybe the current language is not supported

{{simpleDefinition.pos}}

{{simpleDefinition.def}}

{{word.word}}

Sentences & parts of speech:

  • {{tag.normal}} {{tag.pos_name}}

  • {{c.startTime | duration}}


    {{c.translated_text}}

All {{pos.pos_simplify}}
{{a.word || a.name}}
/{{a.phonetic}}/
{{a.type || a.sub_type}}
{{a.translation}} 		{{a.definition}}

How Vertebrates Got Teeth... And Lost Them Again

422,266 views

PBS Eons

Video Language:

  • English

Caption Language:

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

Accent:

  • English

Speech Time:

94%
  • 9:07 / 9:40

Speech Rate:

  • 167 wpm - Fast

Category:

  • Education

Tags :

Intro:

Special thanks to The Free Dictionary for providing us with the information used in this web page

Video Vocabulary

adapting

/əˈdapt/

adapting
verb

To change something to fit or suit a new purpose.

covered

/ˈkəvər/

covered
verb

To put something over something to hide it.

hypothesis

/hīˈpäTHəsəs/

hypothesis
noun

supposition or proposed explanation made on basis of limited evidence as starting point for further investigation.

starting

/stärt/

starting
verb

To turn something on.

structures

/ˈstrək(t)SHər/

structures
noun other verb

arrangement of and relations between parts or elements of something complex. The ways some things are built, arranged or organized. To make or build with an organized framework.

underneath

/ˌəndərˈnēTH/

underneath
adverb noun preposition

situated directly below something. part or side of something facing towards ground. situated directly below.

amphibians

/amˈfibēən/

amphibians
noun other

cold-blooded vertebrate animal of class that comprises frogs. Cold-blooded animal that lives on land or in water.

capturing

/ˈkapCHər/

capturing
verb

To record, tape, or film something.

started

/stärt/

started
verb

To turn something on.

earliest

/ˈərlē/

earliest
adjective adverb

happening before usual time. before usual time.

different

/ˈdif(ə)rənt/

different
adjective

not same as another or each other.

ancient

/ˈān(t)SHənt/

ancient
adjective noun

Very old; having lived a very long time ago. old man.

proposes

/prəˈpōz/

proposes
verb

To make an offer of marriage.

protect

/prəˈtekt/

protect
verb

keep safe from harm or injury.

turning

/ˈtərniNG/

turning
noun verb

place where road branches off from another. To change the direction of something, e.g. a car.

Q
W
E
R
T
Y
U
I
O
P
A
S
D
F
G
H
J
K
L
Z
X
C
V
B
N
M