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}}

L4.1 QED: Free Wave Equation

1,478 views

MIT OpenCourseWare

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

96%
  • 5:24 / 5:37

Speech Rate:

  • 148 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

through

/THro͞o/

adjective adverb preposition

continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. Over, in, across an entire thing or place.

interested

/ˈintrəstəd/

adjective verb

showing curiosity or concern about something or someone. To make someone want to know about something.

walking

/wôk/

noun verb

Act of moving with your legs at a slowish pace. To move with your legs at a slowish pace.

express

/ikˈspres/

adjective noun verb

Sent by a fast mail service. Fast train or bus. convey thought or feeling.

applicable

/ˈapləkəb(ə)l/

adjective

relevant or appropriate.

putting

/po͝ot/

verb

To move or place a thing in a particular position.

mechanical

/məˈkanək(ə)l/

adjective noun

Using or concerning machines. working parts of vehicle.

quantum

/ˈkwän(t)əm/

noun

discrete quantity of energy proportional in magnitude to frequency of radiation.

relativistic

/ˌrelədəˈvistik/

adjective

accurately described only by theory of relativity.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

as truth or facts.

discussed

/dəˈskəs/

verb

talk about something with person or people.

considered

/kənˈsidərd/

adjective verb

having been thought about carefully. To think carefully about something.

momentum

/mōˈmen(t)əm/

noun

Speed or force that is gained when something moves.

squared

/skwerd/

adjective verb

(Of number) multiplied by itself (e.g. 2 x 2). To multiply a number by itself, e.g. 2x2 or 6x6.

immediately

/iˈmēdēətlē/

adverb conjunction

Without any delay; straight away. as soon as.

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