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}}

Chronometric revolution | Cosmology & Astronomy | Khan Academy

37,608 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

99%
  • 9:48 / 9:53

Speech Rate:

  • 172 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

starting

/stärt/

verb

To do, be or happen for the first time; begin.

traditional

/trəˈdiSH(ə)n(ə)l/

adjective

existing in or as part of tradition.

understand

/ˌəndərˈstand/

verb

To know the meaning of language, what someone says.

million

/ˈmilyən/

number

1,000,000.

present

/ˈprez(ə)nt/

adjective noun verb

in particular place. Current time; now. To give an award or prize to someone.

political

/pəˈlidək(ə)l/

adjective

Of the system of elections and government.

notions

/ˈnōSH(ə)n/

noun other

conception of or belief about something. Threads, buttons, pins etc. used for SEWING.

prerequisites

/prēˈrekwəzət/

noun other

thing that is required as prior condition for something else to happen or exist. Necessary previous condition, thing, or action.

happened

/ˈhapən/

verb

take place.

science

/ˈsīəns/

noun

Study of the physical world, based on facts.

granted

/ˈɡran(t)əd/

adverb conjunction exclamation verb

admittedly. even assuming that. Used to say you partly agree with someone. To admit an opinion is true but not fully agreeing.

nations

/ˈnāSH(ə)n/

noun other

large body of people united by common descent. Areas or regions controlled by a government and army.

ability

/əˈbilədē/

noun

The power, resources or skill to do something.

billion

/ˈbilyən/

noun number

Number 1,000,000,000. thousand million.

passage

/ˈpasij/

noun verb

Short piece from a longer song, article or speech. subject microorganisms or cells to passage.

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