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}}

Are the Fundamental Constants Changing?

786,309 views

PBS Space Time

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

93%
  • 13:50 / 14:51

Speech Rate:

  • 162 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

electron

/əˈlekˌträn/

noun

stable subatomic particle with charge of negative electricity.

astrophysicists

/ˌastrōˈfizisəst/

noun other

expert in or student of astrophysics. .

universe

/ˈyo͞onəˌvərs/

noun

Things surrounding a person, affecting their life.

expressed

/ikˈspres/

verb

convey thought or feeling.

complexities

/kəmˈpleksədē/

noun other

property of being intricate or complicated. Difficult, not easy to understand or explain.

theories

/ˈTHirē/

noun other

supposition or system of ideas intended to explain something. Ideas or principles that explain facts or events.

relationships

/rəˈlāSH(ə)nˌSHip/

noun other

way in which two or more people or things are connected. Ways in which people interact/live with each other.

supported

/səˈpôrt/

verb

To help prove or show that something is true.

fundamental

/ˌfəndəˈmen(t)əl/

adjective noun

Forming a necessary part, base, or core. A basic part of something.

between

/bəˈtwēn/

adverb preposition

in space separating things. In the space that separates two objects.

changes

/CHānj/

noun other verb

act or process bringing change. Acts of making or becoming something else. To replace something with another thing.

proposed

/prəˈpōz/

adjective verb

Suggested. To make an offer of marriage.

experiments
noun other verb

scientific procedure. Tests performed to assess new ideas or theories. To create and perform tests to research something.

existence

/iɡˈzistəns/

noun

fact or state of existing.

unravel

/ˌənˈravəl/

verb

undo.

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