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}}

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}}

Why isn't the speed of light infinite? What if it were?

705,827 views

Intro:

Video Vocabulary

/bəˈhāv/

verb

To act in a particular way.

/ˈbakˌɡround/

noun

setting of picture, scene, or design.

/ˈfiziks/

noun other

branch of science concerned with nature and properties of matter and energy. The study of heat, light, and energy on objects.

/ˈyo͞onəˌvərs/

noun

all existing matter and space considered as whole.

/THro͞o/

adjective adverb preposition

From one end or side of something to the other. expressing movement into one side and out of other side of opening etc.. moving in one side and out of other side of.

/ˈsəmˌ(h)wät/

adverb

to moderate extent or by moderate amount.

/ˈkänstənt/

adjective noun

occurring continuously. Thing that happens always or at a regular rate.

/CHānj/

verb

To exchange one set of clothes for another.

noun

Tiny piece or quantity of something.

/kənˈsidər/

verb

think carefully about.

/ˈsīəntəst/

noun

Person who is trained in a science.

/wāv ˈfəNG(k)SHən/

noun

A mathematical function used in quantum mechanics to describe the propagation of the wave associated with anyparticle or group of particles.

/ˌfəndəˈmen(t)əlē/

adverb

in central or primary respects.

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