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}}

23.4 Potential Energy of a Spring

9,637 views

MIT OpenCourseWare

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

97%
  • 5:12 / 5:20

Speech Rate:

  • 130 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

direction

/dəˈrekSH(ə)n/

noun

When someone tells people what to do.

potential

/pəˈten(t)SHəl/

adjective noun

having capacity to develop. latent qualities that may be developed.

restoring

/rəˈstôr/

verb

bring back or re-establish.

positive

/ˈpäzədiv/

adjective noun

Being good or useful. positive quality.

conservative

/kənˈsərvədiv/

adjective noun

Resistant to change. conservative person.

example

/iɡˈzampəl/

noun verb

thing characteristic of its kind. be illustrated or exemplified.

calculate

/ˈkalkyəˌlāt/

verb

To find an answer using mathematics.

negative

/ˈneɡədiv/

adjective exclamation noun verb

Focusing on the bad aspects; pessimistic. no. The opposite to a positive electrical charge. refuse to accept.

suppose

/səˈpōz/

verb

To imagine or guess what might happen.

stretch

/streCH/

noun verb

Making arm, leg muscles longer to ease them. To make your arm, leg muscles long to ease them.

introduce

/ˌintrəˈd(y)o͞os/

verb

To begin the use of a new thing or practice.

gravitational

/ˌɡravəˈtāSH(ə)nəl/

adjective

Concerning the force of gravity.

coordinate
adjective noun verb

equal in rank. number indicating position. To bring order and organization to something.

compress
noun verb

pad pressed on to body to relieve inflammation or stop bleeding. To press tightly together.

reference

/ˈref(ə)rəns/

noun verb

Note in a book, etc. giving source of information. To cite a piece of research in speech or writing.

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