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}}

Long-run economic profit for perfectly competitive firms | Microeconomics | Khan Academy

148,427 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

98%
  • 6:49 / 6:54

Speech Rate:

  • 174 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

revenue

/ˈrevəˌn(y)o͞o/

noun

income.

horizontal

/ˌhôrəˈzän(t)l/

adjective noun

at right angles to vertical. horizontal line, plane, etc..

quantity

/ˈkwän(t)ədē/

noun

Amount or number of something.

equilibrium

/ˌēkwəˈlibrēəm/

noun

A state of balance or harmony.

happens

/ˈhapən/

verb

To take place or occur.

perfectly

/ˈpərfək(t)lē/

adverb

In a faultless manner; without mistakes.

current

/ˈkərənt/

adjective noun

Happening or being in the present time. Electricity flowing through wires.

including

/inˈklo͞odiNG/

preposition verb

Being part of a group. To make someone, something part of a group.

competitive

/kəmˈpedədiv/

adjective

Being strongly driven to win or be better than.

marginal

/ˈmärjənl/

adjective noun

Very small; on the edge; not important. water plant growing close to land.

produce
noun verb

Fresh foods such as fruits and vegetables. To manufacture something using machines.

rational

/ˈraSH(ə)n(ə)l/

adjective noun

based on or in accordance with reason or logic. rational number.

multiple

/ˈməltəpəl/

adjective noun

Having or involving more than one of something. Number produced by multiplying a smaller number.

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