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}}

Optics: Plane mirror cavity - collimated beams | MIT Video Demonstrations in Lasers and Optics

11,756 views

MIT OpenCourseWare

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

94%
  • 13:56 / 14:47

Speech Rate:

  • 128 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

content

/kənˈtent/

adjective noun verb

happy and peaceful. Information in something, e.g. book or computer. satisfy.

spacing

/ˈspāsiNG/

noun verb

Distance or time between objects or events. To make a certain distance or time between.

between

/bəˈtwēn/

adverb preposition

in space separating things. at, into, or across space separating things.

hundreds

/ˈhəndrəd/

noun number

subdivision of county or shire. 100s.

educational

/ˌejəˈkāSH(ə)n(ə)l/

adjective

Intended to teach or inform.

additional

/əˈdiSH(ə)n(ə)l/

adjective

Further or added.

donation

/dōˈnāSH(ə)n/

noun

something that is given to charity.

continue

/kənˈtinyo͞o/

verb

persist in activity.

parallel

/ˈperəˌlel/

adjective noun verb

side by side and separated by same distance. person or thing similar to another. To be equal to, or like, something else.

support

/səˈpôrt/

noun verb

A thing to hold up or prevent from falling down. bear all or part of weight of.

reflect

/rəˈflekt/

verb

To indicate or be a sign of something.

following

/ˈfälōiNG/

adjective noun preposition verb

Next; the one after this. body of supporters or admirers. coming after or as a result. To be the logical result of something.

provided

/prəˈvīdəd/

conjunction verb

on condition or understanding that. To make certain something will happen or be done.

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