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}}

Why is Relativity Hard? | Special Relativity Chapter 1

1,427,103 views

minutephysics

Video Language:

  • English

Caption Language:

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

Accent:

  • English

Speech Time:

94%
  • 4:35 / 4:50

Speech Rate:

  • 213 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

equations

/əˈkwāZHən/

noun other

statement that two values are equal. Mathematical statements showing things to be equal.

classical

/ˈklasək(ə)l/

adjective

relating to ancient Greece or Rome.

relativity

/ˌreləˈtivədē/

noun

absence of standards of absolute and universal application.

confusingly

/kənˈfyo͞oziNGlē/

adverb

So that people are confused or unclear.

multiply

/ˈməltəˌplī/

verb

To calculate two numbers e.g. 2 x 4.

definitely

/ˈdef(ə)nətlē/

adverb

Without question; beyond doubt.

special

/ˈspeSHəl/

adjective noun

better, greater, or otherwise different from what is usual. thing.

figured

/ˈfiɡyər/

verb

To calculate how much something will cost.

calculus

/ˈkalkyələs/

noun

branch of mathematics.

building

/ˈbildiNG/

noun verb

A structure with a roof and walls, e.g. a house. To construct a house, office, factory.

standard

/ˈstandərd/

adjective noun

(Of a language) being the most accepted in a place. Official unit of measuring something.

excellent

/ˈeks(ə)lənt/

adjective exclamation

extremely good. used to indicate approval or pleasure.

inspired

/inˈspī(ə)rd/

adjective verb

of extraordinary quality, as if arising from some external creative impulse. To give someone an idea to do or make something.

subjects
noun other verb

person or thing that is being discussed, described, or dealt with. People who take part in experiments or tests. To cause to suffer or experience something.

academic

/ˌakəˈdemik/

adjective noun other

relating to education. teacher or scholar. Concerning education, schools, universities, etc..

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